CHAPTER XI

.

_MATERIALS USED._

=Alkanet-root= (botanical name, _Anchusa tinctoria_).--This plant is a native of the Levant, but it is much cultivated in the south of France and in Germany. The root is the only part used by French polishers to obtain a rich quiet red; the colouring is chiefly contained in the bark or outer covering, and is easily obtained by soaking the root in spirits or linseed-oil. The plant itself is a small herbaceous perennial, and grows to about a foot in height, with lance-shaped leaves and purple flowers, and with a long woody root with a deep red bark.

=Madder-root= (_Rubia tinctoria_).--This plant is indigenous to the Levant; but it is much cultivated in Southern Europe, and also in India. Its uses are for dyeing and staining; it can be procured in a powdered state, and imparts its red colour when soaked in water or spirits. This is a creeping plant with a slender stem; almost quadrangular, the leaves grow four in a bunch; flowers small, fruit yellow, berry double, one being abortive. The roots are dug up when the plant has attained the age of two or three years; they are of a long cylindrical shape, about the thickness of a quill, and of a red-brownish colour, and when powdered are a bright Turkish-red. Extracts of madder are mostly obtained by treating the root with boiling water, collecting the precipitates which separate on cooling, mixing them with gum or starch, and adding acetate of alumina or iron. This is in fact a mixture of colouring matter and a mordant.

=Red-sanders= (_Pterocarpus santalinus_).--The tree from which this wood is obtained is a lofty one, and is to be found in many parts of India, especially about Madras. It yields a dye of a bright garnet-red colour, and is used by French polishers for dyeing polishes, varnishes, revivers, etc.

=Logwood= (_Hæmatoxylon campeachianum_).--This is a moderate-sized tree with a very contorted trunk and branches, which are beset with sharp thorns, and blooms with a yellow flower. It is a native of Central America and the West Indies. This valuable dye-wood is imported in logs; the heart-wood is the most valuable, which is cut up into chips or ground to powder for the use of dyers by large powerful mills constructed especially for the purpose. Logwood, when boiled in water, easily imparts its red colour. If a few drops of acetic acid (vinegar) is added, a bright red is produced; and when a little alum is added for a mordant, it forms red ink. If an alkali, such as soda or potash, is used instead of an acid, the colour changes to a dark blue or purple, and with a little management every shade of these colours can be obtained. Logwood put into polish or varnish also imparts its red colour.

=Fustic= (_Maclura tinctoria_).--This tree is a native of the West Indies, and imparts a yellow dye. Great quantities are used for dyeing linens, etc. The fustic is a large and handsome evergreen, and is imported in long sticks.

=Turmeric= (_Curcuma longa_).--Turmeric is a stemless plant, with palmated tuberous roots and smooth lance-shaped leaves. It is imported from the East Indies and China. The root is the part which affords the yellow powder for dyeing. It is also a condiment, and is largely used in Indian curry-powder. Paper stained with turmeric is used by chemists as a test for alkalies, and it is also used in making Dutch, pink, and gold-coloured varnishes.

=Indigo= (_Indigofera tinctoria_).--Indigo is a shrub which grows from two to three feet in height, and is cut down just as it begins to flower. It is cultivated in almost all the countries situated in the tropics. The dye substance is prepared from the stems and leaves, and is largely used in calico-printing.

=Persian Berries= (_Rhamnus infectorius_).--These berries are the produce of a shrub of a species of buckthorn common in Persia, whence they derive their name; but large quantities are also imported into England from Turkey and the south of France. The berries are gathered in an unripe state, and furnish a yellow dye.

=Nut-galls.=--These are found upon the young twigs of the Turkish dwarf oak (_Quercus infectoria_), and are produced by the puncture of an insect called Cynips. The supply is principally from Turkey and Aleppo. Nut-galls contain a large quantity of tannin and gallic acid, and are extensively used in dyeing.

=Catechu.=--This is obtained from the East Indies, and is the extract of the _Acacia catechu_, a thorny tree. The wood is cut up into chips similar to logwood, and after boiling and evaporation the liquor assumes the consistency of tar; but when cold it hardens, and is formed into small squares. It is extensively used by tanners in place of oak bark.

=Thus.=--Thus is the resin which exudes from the spruce-fir, and is used by some polishers in the making of polishes and varnishes.

=Sandarach= is the produce of the _Thuya articulata_ of Barbary. It occurs in small pale yellow scales, slightly acid, and is soluble in alcohol; it is used in both polishes and varnishes.

=Mastic= exudes from the mastic-tree (_Pistacia lentiscus_), and is principally obtained from Chios, in the Grecian Archipelago. It runs freely when an incision is made in the body of the tree, but not otherwise. It occurs in the form of nearly colourless and transparent tears of a faint smell, and is soluble in alcohol as well as oil of turpentine, forming a rapidly-drying but alterable varnish, which becomes brittle and dark-coloured by age.

=Benzoin.=--This is the produce of the American tree _Laurus benzoin_, and also of the _Styrax benzoin_ of Sumatra, which is called "gum benjamin"; it is used in polishes and varnishes, and as a cosmetic, and is also burnt as incense in Catholic churches.

=Copal= is one of the most valuable of gums, and is furnished by many countries in the districts of Africa explored by Mr. H. M. Stanley, the discoverer of Livingstone. Copal is found in a fossil state in very large quantities. The natives collect the gum by searching in the sandy soil, mostly in the hilly districts, the country being almost barren, with no large tree except the Adansonia, and occasionally a few thorny bushes.

The gum is dug out of the earth by the copal gatherers at various depths, from two or three to ten or more feet, in a manner resembling gold-digging; and great excitement appears when a good amount is discovered. The gum is found in various shapes and sizes, resembling a hen's egg, a flat cake, a child's head, etc. There are three kinds, yellow, red, and whitish; and the first furnishes the best varnish and fetches the highest price from the dealers. Many of the natives assert that the copal still grows on different trees, and that it acquires its excellent qualities as a resin by dropping off and sinking several feet into the soil, whereby it is cleansed, and obtains, after a lapse of many years, its hardness, inflammability, and transparency.

=Dragon's Blood= is the juice of certain tropical plants of a red colour, especially of the tree _Pterocarpus draco_. After the juice is extracted, it is reduced to a powder by evaporation. It is used for darkening mahogany, colouring varnishes or polishes, etc., and for staining marble. Chemists also use it in preparing tinctures and tooth powders.

=Shellac=--or, more properly, _gum-lac_--is a resinous substance obtained from the Bihar-tree, and also from the _Ficus Indica_, or Banyan-tree. It exudes when the branches are pierced by an insect called the _Coccus ficus_. The twigs encrusted with the resin in its natural state is called Stick-lac. When the resin is broken off the twigs, powdered, and rubbed with water, a good deal of the red colouring matter is dissolved, and the granular resin left is called seed-lac; and when melted, strained, and spread into thin plates it is called shellac, and is prepared in various ways and known by the names of button, garnet, liver, orange, ruby, thread, etc., and is used for many purposes in the arts. Shellac forms the principal ingredient for polishes and spirit varnishes. Red sealing-wax is composed of shellac, Venice turpentine, and vermilion red; for the black sealing-wax ivory-black is used instead of the vermilion. Shellac is soluble in alcohol, and in many acids and alkalies. Lac-dye is the red colour from the stick-lac dissolved by water and evaporated to dryness. The dye, however, is principally from the shrivelled-up body of the insect of the Stick-lac.

Shellac is produced in the largest quantity and the best quality in Bengal, Assam, and Burmah. The chief seat of manufacture is Calcutta, where the native manufacturers are accused of adulterating it with resin to a considerable extent. The best customers are Great Britain and the United States, though the demand in the Italian markets appears to be on the increase.

=Amber= is a yellow, semi-transparent, fossil resin; hard but brittle, and easily cut with a knife; tasteless, and without smell, except when pounded or heated, and then it emits a fragrant odour. It has considerable lustre; becomes highly electric by friction; and will burn with a yellow flame. It is found in nodules of various sizes in alluvial soils, or on the seashore in many places, particularly on the shores of the Baltic. Amber is much employed for ornamental purposes, and is also used in the manufacture of amber-varnish. It will not dissolve in alcohol, but yields to the concentrated action of sulphuric acid, which will dissolve all resins except caramba wax.

=Pumice-stone.=--This well-known light and spongy volcanic substance is extensively quarried in the small islands that lie off the coast of Sicily. Its porosity and smooth-cutting properties render it of great value to painters and polishers for levelling down first coatings. Ground pumice-stone is the best for cutting down bodies of polish or varnish that are more advanced towards completion. The best way to get a surface to a piece of lump pumice-stone is to rub it down on a flat York stone, or, better still, an old tile that has been well baked. Pumice-stone should not be allowed to stand in water; it causes the grain to contract and to harden, thereby deteriorating its cutting properties.

=Linseed-oil.=--This valuable oil is obtained by pressure from the seed of the flax plant (_Linum usitatissimum_). Linseed contains on an average about 33 per cent. of oil, though the amount varies materially, the percentage obtained fluctuating considerably, not being alike on any two successive days. This is partly due to the varying richness of the seed, and partly to the manner in which it is manipulated in extracting the oil, it being a very easy matter to lose a considerable percentage of the oil by a lack of skill in any of the processes, though they all seem so simple.

The first thing done with the seed from which the oil is to be extracted is to pass it through a screen, to cleanse it from foreign substances. The seed is received in bags containing from three to four bushels, and pockets containing one-sixth of that amount. Having been screened it is passed through a mill, whose large iron-rollers, three in number, grind it to a coarse meal. Thence it is carried to what are known as the "mullers," which are two large stones, about eight feet in diameter and eighteen inches thick, weighing six tons each, standing on their edges, and rolling around on a stone bed. About five bushels of the meal are placed in the mullers, and about eight quarts of hot water are added. The meal is afterwards carried by machinery to the heaters, iron pans holding about a bushel each. These are heated to an even temperature by steam, and are partly filled with the meal, which for seven minutes is submitted to the heat, being carefully stirred in order that all parts may become evenly heated. At the end of that time the meal is placed in bags, which in turn are placed in hydraulic presses, iron plates being placed between the bags. Pressure is applied for about eight minutes, until, as is supposed, all the oil is pressed out, leaving a hard cake, known to the trade as oil-cake, or linseed-cake.

The product of these various processes is known as "raw" oil, a considerable portion of which is sold without further labour being expended upon it. There is, however, a demand for "boiled" oil, for certain purposes where greater drying properties are needed. To supply this want oil is placed in large kettles, holding from five hundred to one thousand gallons, where it is heated to a temperature of about 500 degrees, being stirred continually. This process, when large kettles are used, requires nearly the entire day. While the boiling process is going on, oxide of manganese is added, which helps to give the boiled oil better drying properties. A considerable portion of the oil is bleached, for the use of manufacturers of white paints.

=Venice Turpentine.=--This is obtained from the larch, and is said to be contained in peculiar sacs in the upper part of the stem, and to be obtained by puncturing them. It is a ropy liquid, colourless or brownish green, having a somewhat unpleasant odour and bitter taste.

=Oil of Turpentine= is the most plentiful and useful of oils. It is obtained in America from a species of pine very plentiful in the Carolinas, Georgia, and Alabama, known as the long-leaved pine (_pinus Australis_), and found only where the original forest has not been removed.

=Methylated Spirits.=--The methylated spirit of commerce usually consists of the ordinary mixed grain, or "plain" spirit, as produced by the large distillers in London and elsewhere, with which are blended, by simply mixing in various proportions, one part vegetable naphtha and three parts spirits of wine. The mixing takes place in presence of a revenue officer, and the spirits so "methylated" are allowed to be used duty free. The revenue authorities consider the admixture of naphtha, having so pungent and disagreeable a smell, a sufficient security against its sale and consumption as a beverage. No process has yet been discovered of getting rid of this odour. It is illegal for druggists to use it in the preparation of medicinal tinctures, unless they are for external use.

PRINTED BY WILLIAM CLOWES AND SONS, LIMITED, LONDON AND BECCLES.

CROSBY LOCKWOOD & SON'S

LIST OF WORKS

ON

TRADES AND MANUFACTURES, THE INDUSTRIAL ARTS, CHEMICAL MANUFACTURES, COUNTING HOUSE WORK, ETC.

A Complete Catalogue of NEW and STANDARD BOOKS relating to CIVIL, MECHANICAL, MARINE and ELECTRICAL ENGINEERING; MINING, METALLURGY, and COLLIERY WORKING; ARCHITECTURE and BUILDING; AGRICULTURE and ESTATE MANAGEMENT, etc. Post Free on Application.

7, STATIONERS' HALL COURT, LONDON, E.C., AND 121a, VICTORIA STREET, WESTMINSTER, S.W.

1910.

LIST OF WORKS

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TRADES and MANUFACTURES, THE INDUSTRIAL ARTS, Etc.

=ACETYLENE, LIGHTING BY.= Generators, Burners, and Electric Furnaces. By WILLIAM E. GIBBS, M.E. With 66 Illustrations. Crown 8vo, cloth =7/6=

=AIR GAS LIGHTING SYSTEMS.= See PETROL GAS.

=ALCOHOL (INDUSTRIAL): ITS MANUFACTURE AND USES.= A Practical Treatise based on Dr. Max Maercker's "Introduction to Distillation," as revised by Drs. DELBRUCK and LANGE. By J. K. BRACHVOGEL. 500 pages, 105 engravings _Net_ =16/6=

THE INDUSTRIAL VALUE OF TAX-FREE ALCOHOL AND WHAT IT MEANS TO AGRICULTURAL INTERESTS--SUMMARY OF THE PROCESSES IN SPIRIT MANUFACTURE--STARCH, HOW FORMED, ITS CHARACTERISTICS, AND THE CHANGES IT UNDERGOES--ENZYMES OR FERMENTS--PRODUCTS OF FERMENTATION--STARCHY AND SACCHARIFEROUS RAW MATERIALS--PREPARATION OF THE MALT--STEAMING THE RAW MATERIAL--THE MASHING PROCESS--FERMENTING THE MASH--PREPARATION OF ARTIFICIAL YEAST IN THE DISTILLERY--FERMENTATION IN PRACTICE--DISTILLATION AND RECTIFICATION--ARRANGEMENT OF THE DISTILLERY--THE SPENT WASH--DENATURING OF ALCOHOL--ALCOHOL FOR THE PRODUCTION OF POWER, HEATING AND ILLUMINATION--STATISTICS.

=ALKALI TRADE MANUAL.= Including the Manufacture of Sulphuric Acid, Sulphate of Soda, and Bleaching Powder. By JOHN LOMAS, Alkali Manufacturer. With 232 Illustrations. Super-royal 8vo, cloth. =£1 10s.=

=BLOWPIPE IN CHEMISTRY, MINERALOGY, Etc.= Containing all known Methods of Anhydrous Analysis, many Working Examples, and Instructions for Making Apparatus. By Lieut.-Colonel W. A. Ross, R.A., F.G.S. Second Edition. Crown 8vo, cloth =5/0=

=BOOT AND SHOE MAKING=, including Measurement, Last-fitting, Cutting-out, Closing and Making, with a Description of the most Approved Machinery employed. By J. B. LENO. Crown 8vo, cloth =2/0=

=BRASS FOUNDER'S MANUAL.= Modelling, Pattern Making, Moulding, Turning, &c. By W. GRAHAM. Crown 8vo, cloth =2/0=

=BREAD & BISCUIT BAKER'S & SUGAR-BOILER'S ASSISTANT.= Including a large variety of Modern Recipes. By ROBERT WELLS. Fifth Edition. Crown 8vo, cloth 1/0

"A large number of wrinkles for the ordinary cook, as well as the baker."--_Saturday Review._

=BREAKFAST DISHES. For every Morning of Three Months.= By Miss ALLEN (Mrs. A. MACAIRE). Author of "Savouries and Sweets," &c. Twenty-third Edition. F'cap 8vo. Sewed 1/0 Or, quarter bound, fancy boards 1/6

=BREWERS, HANDY BOOK FOR.= Being a Practical Guide to the Art of Brewing and Malting. Embracing the Conclusions of Modern Research which bear upon the Practice of Brewing. By H. E. WRIGHT, M.A. Third Edition. Thoroughly Revised and Enlarged. Large Crown 8vo, 578 pp., cloth _Net_ =12/6=

BARLEY, MALTING AND MALT--WATER FOR BREWING--HOPS AND SUGARS--THE BREWING ROOM--CHEMISTRY AS APPLIED TO BREWING--THE LABORATORY--MASHING, SPARGING, AND BOILING--FERMENTS IN GENERAL--FERMENTATION WITH COMMERCIAL YEAST--CULTURE FROM A SINGLE CELL WITH YEASTS--TREATMENT OF BEER--THE BREWERY AND PLANTS.

"We have great pleasure in recommending this handy Book."--_The Brewers' Guardian._

=CALCULATOR, NUMBER, WEIGHT AND FRACTIONAL.= Containing upwards of 250,000 Separate Calculations, showing at a Glance the Value at 422 Different Rates, ranging from 1/128th of a Penny to 20s. each, or per cwt., and £20 per ton, of any number of articles consecutively, from 1 to 470. Any number of cwts., qrs., and lbs., from 1 cwt. to 470 cwts. Any number of tons, cwts., qrs., and lbs., from 1 to 1,000 tons. By WILLIAM CHADWICK, Public Accountant. Fourth Edition, Revised and Improved. 8vo, strongly bound =18/0=

"It is as easy of reference for any answer or any number of answers as a dictionary. For making up accounts or estimates the book must prove invaluable to all who have any considerable quantity of calculations involving price and measure in any combination to do."--_Engineer._

"The most perfect work of the kind yet prepared."--_Glasgow Herald._

=CEMENTS, PASTES, GLUES, AND GUMS.= A Guide to the Manufacture and Application of Agglutinants for Workshop, Laboratory, or Office Use. With 900 Recipes and Formulæ. By H. C. STANDAGE, Crown 8vo, cloth =2/0=

"As a revelation of what are considered trade secrets, this book will arouse an amount of curiosity among the large number of industries it touches."--_Daily Chronicle._

=CHEMISTRY FOR ARMY AND MATRICULATION CANDIDATES.= By GEOFFREY MARTIN, B.SC., Ph.D. Crown 8vo, cloth. With numerous Illustrations _Net_ =2/0=

PREPARATION AND USE OF APPARATUS--PREPARATION AND PROPERTIES OF CERTAIN GASES AND LIQUIDS--SIMPLE QUANTITATIVE EXPERIMENTS--ANALYTICAL OPERATIONS--SOLUBILITY--WATER CRYSTALLISATION--NEUTRALISATION OF ACIDS BY BASES, AND PREPARATION OF SIMPLE SALTS--VOLUMETRIC ANALYSIS--CHEMICAL EQUIVALENTS--OBSERVATION OF REACTION--MELTING AND BOILING POINTS--SYMBOLS AND ATOMIC WEIGHTS OF THE ELEMENTS--WEIGHTS AND MEASURES--HINTS ON REGULATING WORK IN PRACTICAL CHEMISTRY CLASSES.

=CLOCKS, WATCHES, & BELLS for PUBLIC PURPOSES.= By EDMUND BECKETT, LORD GRIMTHORPE, LL.D., K.C., F.R.A.S. Eighth Edition, with new List of Great Bells and an Appendix on Weathercocks. Crown 8vo, cloth 4/6; cloth boards, =5/6=

"The only modern treatise on clock-making."--_Horological Journal._

=COACH-BUILDING.= A Practical Treatise, Historical and Descriptive. By J. W. BURGESS. Crown 8vo, cloth =2/6=

=COKE--MODERN COKING PRACTICE.= Including the Analysis of Materials and Products. A handbook for those engaged or interested in Coke Manufacture with recovery of By-Products. By T. H. BYROM, F.I.C., F.C.S., Mem. Soc. of Chem. Industry, Chief Chemist to the Wigan Coal and Iron Company. For fifteen years Lecturer at the Wigan Technical College. Author of "The Physics and Chemistry of Mining"; and J. E. CHRISTOPHER, Mem. Soc. of Chem. Industry, Sub-manager of the Semet Solvay Coking Plant of the Wigan Coal and Iron Company. Lecturer on Coke Manufacture at the Wigan Technical College. 168 pages, with numerous illustrations. Demy 8vo, cloth. [_Just Published Net_] =8/6=

"The authors have succeeded in treating the subject in a clear and compact way, giving an easily comprehensible review of the different processes."--_Mining Journal._

"The book will be eagerly read, and the authors may be assured that their labour will be appreciated. We anticipate that the book will be a success; at any rate it possesses the necessary merit."--_Science and Art of Mining._

=COMMERCIAL CORRESPONDENT, FOREIGN.= Being Aids to Commercial Correspondence in Five Languages--English, French, German, Italian, and Spanish. By CONRAD E. BAKER. Third Edition, Carefully Revised Throughout. Crown 8vo, cloth 4/6

"Whoever wishes to correspond in all the languages mentioned by Mr. Baker cannot do better than study this work, the materials of which are excellent and conveniently arranged. They consist not of entire specimen letters, but--what are far more useful--short passages, sentences, or phrases expressing the same general idea in various forms."--_Athenæum._

=CONFECTIONER, MODERN FLOUR.= Containing a large Collection of Recipes for Cheap Cakes, Biscuits, &c. With remarks on the Ingredients Used in their Manufacture. By R. WELLS =1/0=

=CONFECTIONERY, ORNAMENTAL.= A Guide for Bakers, Confectioners and Pastrycooks; including a variety of Modern Recipes, and Remarks on Decorative and Coloured Work. With 129 Original Designs. By ROBERT WELLS. Crown 8vo, cloth =5/0=

"A valuable work, practical, and should be in the hands of every baker and confectioner. The illustrative designs are worth treble the amount charged for the work."--_Bakers' Times._

=COTTON MANUFACTURE.= A Manual of Practical Instruction of the Processes of Opening, Carding, Combing, Drawing, Doubling and Spinning, Methods of Dyeing, &c. For the Use of Operatives, Overlookers, and Manufacturers. By J. LISTER. 8vo, cloth =7/6=

=DANGEROUS GOODS.= Their Sources and Properties, Modes of Storage and Transport. With Notes and Comments on Accidents arising therefrom. For the Use of Government and Railway Officials, Steamship Owners, &c. By H. J. PHILLIPS. Crown 8vo, cloth =9/0=

=DENTISTRY (MECHANICAL).= A Practical Treatise on the Construction of the Various Kinds of Artificial Dentures. By C. HUNTER. Crown 8vo, cloth =3/0

=DISCOUNT GUIDE.= Comprising several Series of Tables for the Use of Merchants, Manufacturers, Ironmongers, and Others, by which may be ascertained the Exact Profit arising from any mode of using Discounts, either in the Purchase or Sale of Goods, and the method of either Altering a Rate of Discount, or Advancing a Price, so as to produce, by one operation, a sum that will realise any required Profit after allowing one or more Discounts: to which are added Tables of Profit or Advance from 11/4 to 90 per cent., Tables of Discount from 11/4 to 983/4 per cent., and Tables of Commission, &c., from 1/8 to 10 per cent. By HENRY HARBEN, Accountant. New Edition, Corrected. Demy 8vo, half-bound =£1 5s.=

"A book such as this can only be appreciated by business men, to whom the saving of time means saving of money. The work must prove of great value to merchants, manufacturers, and general traders."--_British Trade Journal._

=DRYING MACHINERY AND PRACTICE.= A Handbook on the Theory and Practice of Drying and Desiccating, with Classified Description of Installations, Machinery, and Apparatus, including also a Glossary of Technical Terms and Bibliography. By THOMAS G. MARLOW, Grinding, Drying, and Separating Machinery Specialist. Medium 8vo. About 250 pages, with 150 Illustrations [_In the Press, price about_] =12/6= _net._

=ELECTRICITY IN FACTORIES AND WORKSHOPS: ITS COST AND CONVENIENCE.= A Handbook for Power Producers and Power Users. By A. P. HASLAM, M.I.E.E. 328 pages, with numerous illustrations. Large crown, 8vo, cloth _Net_ =7/6=

=ELECTRO-METALLURGY.= A Practical Treatise. By ALEXANDER WATT. Tenth Edition, enlarged and revised. Including the most Recent Processes. Crown 8vo, cloth =3/6=

=ELECTRO-PLATING.= A Practical Handbook on the Deposition of Copper, Silver, Nickel, Gold, Aluminium, Brass, Platinum, &c., &c. By J. W. URQUHART, C.E. Fifth Edition, Revised. Crown 8vo, cloth =5/0=

=ELECTRO-PLATING & ELECTRO-REFINING OF METALS= Being a new edition of ALEXANDER WATT'S "ELECTRO-DEPOSITION." Revised and Rewritten by A. PHILIP, B.Sc., Principal Assistant to the Admiralty Chemist. Crown 8vo, cloth _Net_ =12/6=

## PART I. ELECTRO-PLATING--PRELIMINARY CONSIDERATIONS--PRIMARY AND

SECONDARY BATTERIES--THERMOPILES--DYNAMOS--COST OF ELECTRICAL INSTALLATIONS OF SMALL OUTPUT FOR ELECTRO-PLATING--HISTORICAL REVIEW OF ELECTRO DEPOSITION--ELECTRO DEPOSITION OF COPPER--DEPOSITION OF GOLD BY SIMPLE IMMERSION--ELECTRO DEPOSITION OF GOLD--VARIOUS GILDING OPERATIONS--MERCURY GILDING--ELECTRO DEPOSITION OF SILVER--IMITATION ANTIQUE SILVER--ELECTRO DEPOSITION OF NICKEL, TIN, IRON AND ZINC, VARIOUS METALS AND ALLOYS--RECOVERY OF GOLD AND SILVER FROM WASH SOLUTIONS--MECHANICAL OPERATIONS CONNECTED WITH ELECTRO DEPOSITION--MATERIALS USED IN ELECTRO DEPOSITION. PART II. ELECTRO METALLURGY--ELECTRO METALLURGY OF COPPER--COST OF ELECTROLYTIC COPPER REFINING--CURRENT DENSITY AS A FACTOR IN PROFITS--SOME IMPORTANT DETAILS IN ELECTROLYTIC COPPER REFINERIES--ELECTROLYTIC GOLD AND SILVER BULLION REFINING--ELECTROLYTIC TREATMENT OF TIN--ELECTROLYTIC REFINING OF LEAD--ELECTROLYTIC PRODUCTION OF ALUMINIUM AND ELECTROLYTIC REFINING OF NICKEL--ELECTRO GALVANISING.

"Eminently a book for the practical worker in electro-deposition."--_Engineer._

=ELECTRO-TYPING.= The Reproduction and Multiplication of Printing Surfaces and Works of Art by the Electro-Deposition of Metals. By J. W. URQUHART, C.E. Crown 8vo, cloth =5/0=

=ENGINEERING CHEMISTRY.= A Practical Treatise for the Use of Analytical Chemists, Engineers, Iron Masters, Iron Founders, Students and others. Comprising Methods of Analysis and Valuation of the Principal Materials used in Engineering Work, with numerous Analyses, Examples and Suggestions. By H. PHILLIPS. Third Edition, Revised. Crown 8vo, 420 pp., with Illustrations, cloth _Net_ =10/6=

=EXPLOSIVES, MODERN, A HANDBOOK ON.= A Practical Treatise on the Manufacture and Use of Dynamite, Gun-Cotton, Nitro-Glycerine and other Explosive Compounds, including Collodion-Cotton. With Chapters on Explosives in Practical Application. By M. EISSLER, M.E. Second Edition, Enlarged. Crown 8vo, cloth =12/6=

"A veritable mine of information on the subject of explosives employed for military, mining, and blasting purposes."--_Army and Navy Gazette._

=EXPLOSIVES: NITRO-EXPLOSIVES.= The Properties, Manufacture, and Analysis of Nitrated Substances, including the Fulminates, Smokeless Powders, and Celluloid. By P. G. SANFORD, F.I.C., F.C.S., Public Analyst to the Borough of Penzance. Second Edition, enlarged. With Illustrations. Demy 8vo, cloth _Net_ =10/6=

NITRO-GLYCERINE--NITRO-CELLULOSE, ETC.--DYNAMITE--NITRO-BENZOL, ROBURITE, BELLITE, PICRIC ACID, ETC.--THE FULMINATES--SMOKELESS POWDERS IN GENERAL--ANALYSIS OF EXPLOSIVES--FIRING POINT, HEAT TESTS, DETERMINATION OF RELATIVE STRENGTH, ETC.

"One of the very few text-books in which can be found just what is wanted. Mr. Sanford goes steadily through the whole list of explosives commonly used, he names any given explosive, and tells of what it is composed and how it is manufactured. The book is excellent."--_Engineer._

=FACTORY ACCOUNTS: THEIR PRINCIPLES AND PRACTICE.= A Handbook for Accountants and Manufacturers, with Appendices on the Nomenclature of Machine Details, the Income Tax Acts, the Rating of Factories, Fire and Boiler Insurance, the Factory and Workshop Acts, etc., including a Glossary of Terms and a large number of Specimen Rulings. By EMILE GARCKE and J. M. FELLS. Fifth Edition, Revised and Enlarged. Demy 8vo, cloth =7/6=

"A very interesting description of the requirements of Factory Accounts.... The principle of assimilating the Factory Accounts to the general commercial books is one which we thoroughly agree with."--_Accountants' Journal._

=FLOUR MANUFACTURE.= A Treatise on Milling Science and Practice. By FRIEDRICH KICK, Imperial Regierungsrath, Professor of Mechanical Technology in the Imperial German Polytechnic Institute, Prague. Translated from the Second Enlarged and Revised Edition. By H. H. P. POWLES, A.M.Inst.C.E. 400 pp., with 28 Folding Plates, and 167 Woodcuts. Royal 8vo, cloth =£1 5s.=

"This invaluable work is the standard authority on the science of milling."--_The Miller._

=FRENCH POLISHING AND ENAMELLING.= Including numerous Recipes for making Polishes, Varnishes, Glaze, Lacquers, Revivers, &c. By R. BITMEAD. Crown 8vo, cloth =1/6=

=GAS ENGINEER'S POCKET-BOOK.= Comprising Tables, Notes and Memoranda relating to the Manufacture, Distribution and Use of Coal Gas and the Construction of Gas Works. By H. O'CONNOR, A.M.Inst.C.E. Third Edition. Revised. Crown 8vo, leather. _Net_ =10/6=

GENERAL CONSTRUCTING MEMORANDA--GENERAL MATHEMATICAL TABLES--UNLOADING MATERIALS AND STORAGE--RETORT HOUSE--CONDENSERS--BOILERS, ENGINES, PUMPS, AND EXHAUSTERS--SCRUBBERS AND WASHERS--PURIFIERS--GASHOLDER TANKS--GASHOLDERS--WORKSHOP NOTES--MANUFACTURING--STORING MATERIALS--RETORT HOUSE (WORKING)--CONDENSING GAS--EXHAUSTERS, ETC.--WASHING AND SCRUBBING--PURIFICATION--GASHOLDERS (CARE OF)--DISTRIBUTING GAS--TESTING--ENRICHING PROCESSES--PRODUCT WORKS--SUPPLEMENTARY.

"The book contains a vast amount of information."--_Gas World._

=GAS ENGINEERING.= See PRODUCER GAS PRACTICE AND INDUSTRIAL GAS ENGINEERING. =GAS FITTING.= A Practical Handbook. By JOHN BLACK. Revised Edition. With 130 Illustrations. Crown 8vo, cloth =2/6=

=GAS LIGHTING.= See ACETYLENE.

=GAS LIGHTING FOR COUNTRY HOUSES.= See PETROL AIR GAS.

=GAS MANUFACTURE, CHEMISTRY OF.= A Practical Manual for the use of Gas Engineers, Gas Managers and Students. By HAROLD M. ROYLE, Chief Chemical Assistant at the Beckton Gas Works. Demy 8vo, cloth, 340 pages, with numerous Illustrations and Coloured Plate. _Net_ =12/6=

PREPARATION OF STANDARD SOLUTIONS--ANALYSIS OF COALS--DESCRIPTION OF VARIOUS TYPES OF FURNACES--PRODUCTS OF CARBONISATION AT VARIOUS TEMPERATURES--ANALYSIS OF CRUDE GAS--ANALYSIS OF LIME--ANALYSIS OF AMMONIACAL LIQUOR--ANALYTICAL VALUATION OF OXIDE OF IRON--ESTIMATION OF NAPHTHALIN--ANALYSIS OF FIRE-BRICKS AND FIRE-CLAY--ART OF PHOTOMETRY--CARBURETTED WATER GAS--APPENDIX CONTAINING STATUTORY AND OFFICIAL REGULATIONS FOR TESTING GAS. VALUABLE EXCERPTS FROM VARIOUS IMPORTANT PAPERS ON GAS CHEMISTRY, USEFUL TABLES, MEMORANDA, etc.

=GAS WORKS.= Their Construction and Arrangement, and the Manufacture and Distribution of Coal Gas. By S. HUGHES, C.E. Ninth Edition. Revised by H. O'CONNOR, A.M.Inst.C.E. Crown 8vo =6/0=

=GOLD WORKING. JEWELLER'S ASSISTANT= for Masters and Workmen, Compiled from the Experience of Thirty Years' Workshop Practice. By G. E. GEE. Crown 8vo =7/6=

=GOLDSMITH'S HANDBOOK.= Alloying, Melting, Reducing, Colouring, Collecting, and Refining. Manipulation, Recovery of Waste, Chemical and Physical Properties; Solders, Enamels, and other useful Rules and Recipes, &c. By G. E. GEE, Sixth Edition. Crown 8vo, cloth =3/0=

=GOLDSMITH'S AND SILVERSMITH'S COMPLETE HANDBOOK.= By G. E. GEE. Crown 8vo, half bound =7/0=

=HALL-MARKING OF JEWELLERY.= Comprising an account of all the different Assay Towns of the United Kingdom, with the Stamps at present employed; also the Laws relating to the Standards and Hall-marks at the various Assay Offices. By G. E. GEE. Crown 8vo =3/0=

=HANDYBOOKS FOR HANDICRAFTS.= By PAUL N. HASLUCK. See page 16.

=HOROLOGY, MODERN, IN THEORY AND PRACTICE.= Translated from the French of CLAUDIUS SAUNIER, ex-Director of the School of Horology at Macon, by JULIEN TRIPPLIN, F.R.A.S., Besançon Watch Manufacturer, and EDWARD RIGG, M.A., Assayer in the Royal Mint. With Seventy-eight Woodcuts and Twenty-two Coloured Copper Plates. Second Edition. Super-royal 8vo, =£2 2s.= cloth; half-calf =£2 10s.=

"There is no horological work in the English language at all to be compared to this production of M. Saunier's for clearness and completeness. It is alike good as a guide for the student and as a reference for the experienced horologist and skilled workman."--_Horological Journal._

=ILLUMINATING AND MISSAL PAINTING ON PAPER AND VELLUM.= A Practical Treatise on Manuscript Work, Testimonials, and Herald Painting, with Chapters on Lettering and Writing, and on Mediæval Burnished Gold. With two Coloured Plates. By PHILIP WHITHARD (First-class Diploma for Illumination and Herald Painting, Printing Trades Exhibition, 1906). 156 pages. Crown 8vo, cloth _Net_ =4/0=

=INTEREST CALCULATOR.= Containing Tables at 1, 11/2, 2, 21/2, 3, 31/2, 33/4, 4, 41/2, 43/4 and 5 per cent. By A. M. CAMPBELL, Author of "The Concise Calendar." Crown 8vo, cloth _Net_ =2/6=

=IRON AND METAL TRADES' COMPANION.= For Expeditiously ascertaining the Value of any Goods bought or sold by Weight, from 1_s._ per cwt. to 112_s._ per cwt., and from one farthing per pound to one shilling per pound. By THOMAS DOWNIE. Strongly bound in leather, 396 pp. =9/0=

"A most useful set of tables. Nothing like them before existed."--_Building News._

=IRON-PLATE WEIGHT TABLES.= For Iron Shipbuilders, Engineers and Iron Merchants. Containing the Calculated Weights of upwards of 150,000 different sizes of Iron Plates, from 1 ft. by 6 ins. by 1/4 in. to 10 ft. by 5 ft. by 1 in. Worked out on the basis of 40 lbs. to the square foot of iron of 1 in. in thickness. By H. BURLINSON and W. H. SIMPSON. 4to, half bound =£1 5s.=

=LABOUR CONTRACTS.= A Popular Handbook on the Law of Contracts or Works and Services. By DAVID GIBBONS. Fourth Edition, with Appendix of Statutes by T. F. UTTLEY; Solicitor. F'cap. 8vo, cloth =3/6=

=LAUNDRY MANAGEMENT.= A Handbook for use in Private and Public Laundries. Cr. 8vo, cloth =2/0=

=LAW FOR MANUFACTURERS, EMPLOYERS AND OTHERS, ETC.= See "EVERY MAN'S OWN LAWYER." A Handy-book of the Principles of Law and Equity. By a BARRISTER. Forty-seventh (1910) Edition, including the Legislation of 1909. 830 pp. Large crown 8vo, cloth [_Just Published._] _Net_ =6/8=

SUMMARY OF CONTENTS: LANDLORD AND TENANT--VENDORS AND PURCHASERS--CONTRACTS AND AGREEMENTS--CONVEYANCES AND MORTGAGES--JOINT-STOCK COMPANIES--PARTNERSHIP--SHIPPING LAW--DEALINGS WITH MONEY--SURETISHIP--CHEQUES, BILLS AND NOTES--BILLS OF SALE--BANKRUPTCY--MASTERS, SERVANTS AND WORKMEN--INSURANCE: LIFE, ACCIDENT, ETC.--COPYRIGHT, PATENTS. TRADE MARKS--HUSBAND AND WIFE, DIVORCE--INFANCY, CUSTODY OF CHILDREN--TRUSTEES AND EXECUTORS--TAXES AND DEATH DUTIES--CLERGYMEN, DOCTORS, AND LAWYERS--PARLIAMENTARY ELECTIONS--LOCAL GOVERNMENT--LIBEL AND SLANDER--NUISANCES--CRIMINAL LAW--GAME LAWS, GAMING, INNKEEPERS--FORMS OF WILLS, AGREEMENTS, NOTICES, ETC.

"A useful and concise epitome of the law."--_Law Magazine._

"A complete digest of the most useful facts which constitute English law."--_Globe._

"A dictionary of legal facts well put together. The book is a very useful one."--_Spectator._

=LEATHER MANUFACTURE.= A Practical Handbook of Tanning, Currying, and Chrome Leather Dressing. By A. WATT. Fifth Edition, Revised and Enlarged. 8vo, cloth _Net_ =12/6=

CHEMICAL THEORY OF THE TANNING PROCESS--THE SKIN--HIDES AND SKINS--TANNIN OR TANNIC ACID--GALLIC ACID--GALLIC FERMENTATION--TANNING MATERIALS--ESTIMATION OF TANNIN--PRELIMINARY OPERATIONS--DEPILATION OR UNHAIRING SKINS AND HIDES--DELIMING OR BATING--TANNING BUTTS FOR SOLE LEATHER--TANNING PROCESSES--TANNING BY PRESSURE--QUICK TANNING--HARNESS LEATHER TANNING--AMERICAN TANNING--HEMLOCK TANNING--TANNING BY ELECTRICITY--CHEMICAL TANNING--MISCELLANEOUS PROCESSES--COST OF AMERICAN TANNING--MANUFACTURE OF LIGHT LEATHERS--DYEING LEATHER--MANUFACTURE OF WHITE LEATHER--CHROME LEATHER MANUFACTURE--BOX CALF MANUFACTURE--CHAMOIS OR OIL LEATHER MANUFACTURE--CURRYING--MACHINERY EMPLOYED IN LEATHER MANUFACTURE--EMBOSSING LEATHER--FELLMONGERING--PARCHMENT, VELLUM, AND SHAGREEN--GUT DRESSING--GLUE BOILING--UTILISATION OF TANNER'S WASTE.

"A sound, comprehensive treatise on tanning and its accessories."--_Chemical Review._

LEATHER MANUFACTURE. PRACTICAL TANNING:= A Handbook of Modern Processes, Receipts and Suggestions for the Treatment of Hides, Skins, and Pelts of every description, including various Patents relating to Tanning, with specifications. By LOUIS A. FLEMMING, American Tanner. Second Edition, in great part re-written, thoroughly revised, and much enlarged. Illustrated by six full-page Plates. Medium 8vo, cloth, 630 pages [_Just published._] _Net_ =28/0=

=MAGNETOS FOR AUTOMOBILISTS, HOW MADE AND HOW USED.= A Handbook of Practical Instruction in the Manufacture and Adaptation of the Magneto to the needs of the Motorist. By S. R. BOTTONE, late of the Collegio del Carmine, Turin, Author of "The Dynamo," "Ignition Devices," &c. Second Edition, enlarged. With 52 Illustrations. Crown 8vo, cloth Net =2/0=

=MARBLE AND MARBLE WORKING.= A Handbook for Architects, Sculptors, Marble Quarry Owners and Workers, and all engaged in the Building and Decorative Industries. Containing numerous Illustrations and thirteen Coloured Plates. By W. G. RENWICK, Author of "The Marble Industry," "The Working of Marble for Decorative Purposes," etc. 240 pages. Medium 8vo, cloth =15/0=

THE CHEMISTRY OF MARBLE--ITS GEOLOGICAL FORMATION--A SHORT CLASSIFICATION OF MARBLES--ANTIQUITY OF THE MARBLE INDUSTRY--ANCIENT QUARRIES AND METHODS OF WORKING--MODERN QUARRIES AND QUARRYING METHODS--MACHINERY USED IN QUARRYING--EUROPEAN AND AMERICAN SYSTEMS COMPARED--MARBLE AS BUILDING MATERIAL--USES OF MARBLE OTHER THAN FOR BUILDING PURPOSES-SOURCES OF PRODUCTION: ITALIAN, FRENCH, BELGIAN, AND GREEK MARBLES, ETC.--MARBLES OF THE UNITED KINGDOM AND BRITISH COLONIES--CONTINENTAL MARBLE WORKING--MARBLE WORKING MACHINERY--MARBLE WORKING IN THE UNITED STATES--AMERICAN MACHINERY DESCRIBED AND COMPARED--MARBLE WORKING: A BRITISH INDUSTRY--MARBLE SUBSTITUTES AND IMITATIONS--PRACTICAL POINTS FOR THE CONSIDERATION OF ARCHITECTS--HINTS ON THE SELECTION OF MARBLE--LIST OF MARBLES IN ORDINARY USE, WITH DESCRIPTIVE NOTES AND INSTANCES OF THEIR APPLICATION.

=MENSURATION AND GAUGING. A POCKET-BOOK= containing Tables, Rules, and Memoranda for Revenue Officers, Brewers, Spirit Merchants, &c. By J. B. MANT. Second Edition. 18mo, leather. =4/0=

"Should be in the hands of every practical brewer."--_Brewers' Journal._

=METRIC TABLES, A SERIES OF.= In which the British Standard Measures and Weights are compared with those of the Metric System at present in Use on the Continent. By C. H. DOWLING, C.E. 8vo, cloth =10/6=

"Mr. Dowling's tables are well put together as a ready-reckoner for the conversion of one system into the other."--_Athenæum._

=METROLOGY, MODERN.= A Manual of the Metrical Units and Systems of the present Century. With an Appendix containing a proposed English System. By LOWIS d'A. JACKSON, A.M.Inst.C.E., Author of "Aid to Survey Practice," etc. Large crown 8vo, cloth =12/6=

"We recommend the work to all interested in the practical reform of our weights and measures."--_Nature._

=MOTOR CAR, THE.= A Practical Manual for the use of Students and Motor Car Owners, with notes on the Internal Combustion Engine and its fuel. By ROBERT W. A. BREWER, A.M.Inst.C.E., M.I.M.E., M.I.A.E. 250 pages. With numerous illustrations. Demy 8vo, cloth _Net_ =5/0=

=MOTOR CAR CATECHISM.= Containing about 320 Questions and Answers Explaining the Construction and Working of a Modern Motor Car. For the Use of Owners, Drivers, and Students. By JOHN HENRY KNIGHT. Second Edition, revised and enlarged, with an additional chapter on Motor Cycles. Crown 8vo, with Illustrations _Net_ =1/6=

THE PETROL ENGINE--TRANSMISSION AND THE CHASSIS--TYRES--DUTIES OF A CAR DRIVER--MOTOR CYCLES--LAWS AND REGULATIONS.

=MOTOR CARS FOR COMMON ROADS.= By A. J. WALLIS-TAYLER, A.M.Inst.C.E. 212 pp., with 76 Illustrations. Crown 8vo. =4/6=

=MOTOR VEHICLES FOR BUSINESS PURPOSES.= A Practical Handbook for those interested in the Transport of Passengers and Goods. By A. J. WALLIS-TAYLER, A.M.Inst.C.E. With 134 Illustrations. Demy 8vo, cloth _Net_ =9/0=

RESISTANCE TO TRACTION ON COMMON ROADS--POWER REQUIRED FOR MOTOR VEHICLES--LIGHT PASSENGER VEHICLES--HEAVY PASSENGER VEHICLES--LIGHT GOODS VANS--HEAVY FREIGHT VEHICLES--SELF-PROPELLED VEHICLES FOR MUNICIPAL PURPOSES--MISCELLANEOUS TYPES OF MOTOR VEHICLES--COST OF RUNNING AND MAINTENANCE.

=OILS AND ALLIED SUBSTANCES. AN ANALYSIS.= By A. C. WRIGHT, M.A.Oxon., B.Sc.Lond., formerly Assistant Lecturer in Chemistry at the Yorkshire College, Leeds, and Lecturer in Chemistry at the Hull Technical School. Demy 8vo, cloth _Net_ =9/0=

THE OCCURRENCE AND COMPOSITION OF OILS, FATS AND WAXES--THE PHYSICAL PROPERTIES OF OILS, FATS, AND WAXES, AND THEIR DETERMINATION--THE CHEMICAL PROPERTIES OF OILS, FATS, AND WAXES FROM THE ANALYTICAL STANDPOINT--DETECTION AND DETERMINATION OF NON-FATTY CONSTITUENTS--METHODS FOR ESTIMATING THE CONSTITUENTS OF OILS AND FATS--DESCRIPTION AND PROPERTIES OF THE MORE IMPORTANT OILS, FATS, AND WAXES, WITH THE METHODS FOR THEIR INVESTIGATION--EXAMINATION OF CERTAIN COMMERCIAL PRODUCTS.

=ORGAN BUILDING (PRACTICAL).= By W. E. DICKSON, M.A., Precentor of Ely Cathedral. Second Edition, Crown 8vo =2/6=

=PAINTS, MIXED. THEIR CHEMISTRY AND TECHNOLOGY.= By MAXIMILIAN TOCH. With 60 Photomicrographic Plates and other Illustrations _Net_ =12/6=

THE PIGMENTS--YELLOW, BLUE, AND GREEN PIGMENTS--THE INERT FILLERS AND EXTENDERS--PAINT VEHICLES--SPECIAL PAINTS--ANALYTICAL--APPENDIX.

=PAINTING FOR THE IMITATION OF WOODS AND MARBLES.= As Taught and Practised by A. R. VAN DER BURG and P. VAN DER BURG, Directors of the Rotterdam Painting Institution. Royal folio, cloth, 181/2 by 121/2 in. Illustrated with 24 full-size Coloured Plates; also 12 Plain Plates, comprising 154 Figures. Fifth Edition _Net_ =25/0=

=PAINTING, GRAINING, MARBLING, AND SIGN WRITING.= With a Course of Elementary Drawing and a Collection of Useful Receipts. By E. A. DAVIDSON. Ninth Edition. Coloured Plates. Crown 8vo, cloth, =5/0=; cloth boards, =6/0=

=PAPER-MAKING.= A Practical Manual for Paper Makers and Owners and Managers of Paper-Mills. With Tables, Calculations, etc. By G. CLAPPERTON, Paper-Maker. With Illustrations of Fibres from Micro-Photographs. Second edition, revised and enlarged. Crown 8vo, cloth _Net_ =5/0=

CHEMICAL AND PHYSICAL CHARACTERISTICS OF VARIOUS FIBRES--CUTTING AND BOILING OF RAGS--JUTE BOILING AND BLEACHING--WET PICKING--WASHING, BREAKING, AND BLEACHING--ELECTROLYTIC BLEACHING--ANTICHLOR--CELLULOSE FROM WOOD--MECHANICAL WOOD PULP--ESPARTO AND STRAW--BEATING-- LOADING--STARCHING--COLOURING MATTER--RESIN, SIZE, AND SIZING--THE FOURDRINIER MACHINE AND ITS MANAGEMENT--ANIMAL SIZING--DRYING--GLAZING AND BURNISHING--CUTTING, FINISHING--MICROSCOPICAL EXAMINATION OF PAPER--TESTS FOR INGREDIENTS OF PAPER--RECOVERY OF SODA--TESTING OF CHEMICALS--TESTING WATER FOR IMPURITIES.

"The author caters for the requirements of responsible mill hands, apprentices, etc., whilst his manual will be found of great service to students of technology, as well as to veteran paper-makers and mill-owners. The illustrations form an excellent feature."--_The World's Paper Trade._

=PAPER-MAKING.= A Practical Handbook of the Manufacture of Paper from Rags, Esparto, Straw, and other Fibrous Materials. Including the Manufacture of Pulp from Wood Fibre, with a Description of the Machinery and Appliances used. To which are added Details of Processes for Recovering Soda from Waste Liquors. By A. WATT. With Illustrations. Crown 8vo =7/6=

=PAPER MAKING, CHAPTERS ON.= A Series of Volumes dealing in a practical manner with all the leading questions in connection with the Chemistry of Paper-Making and the Manufacture of Paper. By CLAYTON BEADLE, Lecturer on Paper-Making before the Society of Arts, 1898 and 1902, and at the Battersea Polytechnic Institute, 1902, etc., etc. Each volume is published separately, at the price of =5/0= _net_ per vol.

Volume I, comprises a Series of Lectures delivered on behalf of the Battersea Polytechnic Institute in 1902. Crown 8vo. 151 pp. _Net_ 5/0

Volume II. comprises Answers to Questions on Paper-Making Set by the Examiners to the City and Guilds of London Institute, 1901-1903. Crown 8vo, 182 pp. _Net_ =5/0=

Volume III. comprises a short practical Treatise in which Boiling, Bleaching, Loading, Colouring, and similar Questions are discussed. Crown 8vo, 142 pp. _Net_ =5/0=

CONTENTS:--"BRASS" AND "STEEL" BEATER BARS--THE SIZE AND SPEED OF BEATER ROLLS--THE FADING OF PRUSSIAN BLUE PAPERS--THE EFFECT OF LOWERING THE BREAST ROLL--THE EFFECT OF "LOADING" ON THE TRANSPARENCY OF PAPER--"TERRA ALBA" AS A LOADING FOR PAPER--THE USE OF ALUM IN TUB SIZING--THE INFLUENCE OF TEMPERATURE ON BLEACHING--THE USE OF REFINING ENGINES--AGITATION AS AN AUXILIARY TO BLEACHING--THE HEATING OF "STUFF" FOR THE PAPER MACHINE--THE COMPARATIVE RESULTS OF QUADRUPLE AND OPEN EFFECT EVAPORATION--HOW TO PREVENT ELECTRIFICATION OF PAPER ON THE MACHINE--TRANSPARENCY OF PAPERS--THE "LIFE" OF MACHINE WIRES--EDGE RUNNERS.

Volume IV. contains discussions upon Water Supplies and the Management of the Paper Machine and its influence upon the Qualities of Papers. Crown 8vo, 164 pp. _Net_ =5/0=

CONTENTS:--THE BULKING OF PAPERS--SPECIAL QUALITIES OF "ART" PAPERS--THE "AGEING" AND STORAGE OF PAPERS--THE USE OF LIME IN BOILING--CONTROLLING THE MARK OF THE "DANDY"--"MACHINE" AND "HAND" CUT RAGS--FROTH ON PAPER MACHINE--SCUM SPOTS IN PAPER--CONSUMPTION OF WATER IN THE MANUFACTURE OF PAPER--THE MANAGEMENT OF SUCTION-BOXES--THE SHRINKAGE OF PAPER ON THE MACHINE--PAPER THAT DOES NOT SHRINK OR EXPAND--THE PRODUCTION OF NON-STRETCHABLE PAPER--THE CONNECTION BETWEEN "STRETCH" AND "EXPANSION" OF PAPERS--"STRETCH" AND "BREAKING STRAIN"--PAPER TESTING MACHINES.

Volume V. concerning THE THEORY AND PRACTICE OF BEATING. Crown 8vo. With photomicrographs and other Illustrations. _Net_ =5/0=

CONTENTS:--EARLY BEATING APPLIANCES--THE HOLLANDER--THE ECONOMY OF BEATING--DIFFICULTIES OF ARRIVING AT DEFINITE RESULTS--BEHAVIOUR OF DIFFERENT FIBRES--"REFINING"--POWER CONSUMPTION--A COMPARISON OF TWO DIFFERENT KINDS OF BEATERS--POWER CONSUMED IN THE "BREAKING," "BEATING," AND "REFINING" OF DIFFERENT MATERIALS--DEALING WITH THE "CIRCULATION" AND "AGITATION" IN A HOLLANDER--COMPARISONS OF LARGE AND MEDIUM-SIZED HOLLANDERS WHEN BEATING "HARD" AND "SOFT" STOCK--TRIALS TO DETERMINE THE RELATIVE MERITS OF STONE AND METAL BEATER-BARS--TRIALS WITH BREAKERS, REED BEATERS, AND KINGSLAND REFINERS--A SYSTEM OF BEATING COMBINED WITH A SYSTEM FOR CONTINUOUS BLEACHING--BEATERS AND REFINERS--POWER CONSUMED IN GRINDING WOOD-PULP--THE REDUCTION IN LENGTH OF FIBRES AT DIFFERENT STAGES OF BEATING--METHOD FOR DETERMINING THE "WETNESS" OF BEATEN STUFF--THE POSITION OF BEATERS IN OLD AND MODERN PAPER-MILLS--APPENDIX.

=PARA RUBBER. ITS CULTIVATION & PREPARATION.= By W. H. JOHNSON, F.L.S., Ex-Director of Agriculture, Gold Coast Colony, West Africa, Director of Agriculture, Mozambique Company, East Africa, Commissioned by Government in 1902 to visit Ceylon to Study the Methods employed there in the Cultivation and Preparation of Para Rubber and other Agricultural Staples for Market, with a view to Introduce them into West Africa. Second Edition, rewritten and greatly enlarged, with numerous illustrations. Demy 8vo, cloth _Net_ =7/6=

THE WORLD'S PRODUCTION AND CONSUMPTION OF RUBBER--THE PARA RUBBER TREE AT HOME AND ABROAD--PROPAGATION--PLANTING AND CULTIVATING--SOILS AND MANURES--PESTS--LATEX--COLLECTING THE LATEX--RUBBER MANUFACTURE--THE ANTISEPTICISATION OF RUBBER--DRYING AND PACKING RUBBER FOR EXPORT--YIELD OF PARA RUBBER FROM CULTIVATED TREES--ESTABLISHMENT AND MAINTENANCE OF A PARA RUBBER PLANTATION--COMMERCIAL VALUE OF THE OIL IN HEVEA SEEDS.

=PASTRYCOOK AND CONFECTIONER'S GUIDE.= For Hotels, Restaurants, and the Trade in general, adapted also for Family Use. By R. WELLS, Author of "The Bread and Biscuit Baker" =1/0=

=PETROL AIR GAS.= A Practical Handbook on the Installation and Working of Air Gas Lighting Systems for Country Houses. By HENRY O'CONNOR, F.R.S.E., A.M. Inst. C.E., &c., author of "The Gas Engineer's Pocket Book." 80 pages with illustrations. Crown 8vo, cloth _Net_ =1/6=

DESCRIPTION OF PREVIOUS PLANTS AND SYSTEMS FOR COUNTRY-HOUSE LIGHTING, DIFFICULTIES WITH, OBJECTIONS AND PRICES--HISTORY OF PETROL GAS, COMPARATIVE COSTS--PETROL, ITS NATURE, DANGERS, AND STORING, NOTES ON THE LAW REGARDING SAME--BURNERS, DESCRIPTION OF SAME, PIPING, MANTLES--GENERAL PRINCIPLES OF PARTS OF PLANTS--MOTIVE POWER METERS--WEIGHT-DRIVEN PLANTS--ROOT'S BLOWERS--HOT-AIR ENGINES--PELTON WATER-WHEELS--DESCRIPTIONS OF VARIOUS PLANTS--EXTRACT FROM AN ACT FOR THE SAFE-KEEPING OF PETROLEUM AND OTHER SUBSTANCES OF A LIKE NATURE--APPENDIX--USEFUL NOTES.

=PETROLEUM. THE OIL FIELDS OF RUSSIA AND THE RUSSIAN PETROLEUM INDUSTRY.= A Practical Handbook on the Exploration, Exploitation, and Management of Russian Oil Properties, the Origin of Petroleum in Russia, the Theory and Practice of Liquid Fuel. By A. B. THOMPSON, A.M.I.M.E., F.G.S. 415 pp., with numerous Illustrations and Photographic Plates. Second Edition Revised. Super-royal 8vo, cloth _Net_ =21/0=

=PETROLEUM MINING AND OIL-FIELD DEVELOPMENT.= A Guide to the Exploration of Petroleum Lands, and a Study of the Engineering Problems connected with the Winning of Petroleum. Including Statistical Data of important Oil Fields. Notes on the Origin and Distribution of Petroleum, and a description of the Methods of Utilizing Oil and Gas Fuels. By A. BEEBY THOMPSON, A.M.I.Mech.E., F.G.S. Author of "The Oil Fields of Russia." 384 pages, 114 illustrations, including 22 full-page plates. Demy 8vo, cloth. [_Just Published._] _Net_ =15/0=

"It is an admirable text-book by a competent authority on an interesting subject."--_Mining Magazine._

"The present effort is likely to receive a warm welcome in engineering circles, and it can be cordially commended for perusal. It will doubtless have that large sale to which its merits entitle it."--_Mining World._

"The general aspects of the Petroleum Industry are fully and ably laid out."--_Engineer._

=PIGMENTS, ARTISTS' MANUAL OF.= Showing their Composition, Conditions of Permanency, Non-Permanency, and Adulterations, etc., with Tests of Purity. By H. C. STANDAGE. Third Edition. Crown 8vo, cloth =2/6=

=PORTLAND CEMENT, THE MODERN MANUFACTURE OF.= By PERCY C. H. WEST, Chemical Engineer and Consulting Chemist. In Three Volumes. Vol. I., dealing with "Machinery and Kilns." About 200 pages, Medium 8vo. With numerous Illustrations. [_Nearly ready, price about_] =10/6=

=PRODUCER GAS PRACTICE (AMERICAN) AND INDUSTRIAL GAS ENGINEERING.= By NISBET LATTA, M.Amer.Soc.M.E., M.Amer.Gas Inst. 558 pages, with 247 illustrations. Demy 4to, cloth [_Just Published._] _Net_ =25/-=

PRODUCER OPERATION--CLEANING THE GAS--WORKS DETAILS--PRODUCER TYPES--MOVING GASES--SOLID FUELS--PHYSICAL PROPERTIES OF GASES--CHEMICAL PROPERTIES OF GASES--GAS ANALYSIS--GAS POWER--GAS ENGINES--INDUSTRIAL GAS APPLICATIONS--FURNACES AND KILNS--BURNING LIME AND CEMENT--PRE-HEATING AIR--DOHERTY COMBUSTION ECONOMISER--COMBUSTION IN FURNACES--HEAT: TEMPERATURE, RADIATION AND CONDUCTION--HEAT MEASUREMENTS: PYROMETRY AND CALORIMETRY--PIPES, FLUES, AND CHIMNEYS--MATERIALS: FIRE CLAY, MASONRY, WEIGHTS AND ROPE--USEFUL TABLES--OIL FUEL PRODUCER GAS.

=RECIPES, FORMULAS AND PROCESSES, TWENTIETH CENTURY BOOK OF.= Edited by GARDNER D. Hiscox, M.E. Nearly 10,000 Scientific, Chemical, Technical, and Household Recipes, Formulas and Processes for Use in the Laboratory and the Office, the Workshop and the Home. Medium 8vo, 800 pp., cloth. _Net_ =12/6=

SELECTED LIST OF CONTENTS:--ABSINTHE--ACID PROOFING--ADHESIVES-- ALCOHOL--ALKALI--ALLOYS--ALUMINIUM--AMMONIA--ANILINE--ANTIDOTES FOR POISON--ANCHOVY PREPARATIONS--ANTISEPTICS--ANTIQUES--BAKING POWDERS-- AROMETERS--BEVERAGES--BLEACHING--BRASS--BRICK--CARBOLIC ACIDS--CASTING-- CELLULOID--CHEESE--CERAMICS--CIGARS--COFFEE--CONDIMENTS--COPPER-- COSMETICS--COTTON--DIAMOND TESTS--DONARITE--DYES--ELECTRO PLATING-- EMBALMING--ENAMELLING--ENGRAVING--ESSENCES--EXPLOSIVES--FERTILISERS-- FILTERS--FOOD ADULTERANTS--GELATINE--GLASS--GOLD--GUMS--HARNESS DRESSINGS--HORN--INKS--INSECTICIDES--IRON--IVORY--JEWELLERS' FORMULAS-- LACQUERS--LAUNDRY PREPARATIONS--LEATHER--LINOLEUM--LUBRICANTS-- MATCHES--METALS--MUSIC BOXES--OILS--PAINTS--PAPER--PERFUMES--PETROLEUM-- PHOTOGRAPHY--PLASTER--PLATING--POLISHES--PORCELAIN--POULTRY--PUTTY--RAT POISONS--REFRIGERATION--ROPES--RUBBER--RUST PREVENTIVES--SALT--SCREWS-- SILK--SILVER--SOAPS--SOLDERS--SPIRIT--SPONGES--STEEL--STONE-- THERMOMETERS--TIN--VALVES--VARNISHES--VETERINARY FORMULAS--WATCHMAKERS' FORMULAS--WATERPROOFING--WAX--WEIGHTS AND MEASURES--WHITEWASH-- WOOD--YEAST.

=RUBBER HAND STAMPS.= And the Manipulation of Rubber. A Practical Treatise on the Manufacture of Indiarubber Hand Stamps, Small Articles of Indiarubber, The Hektograph, Special Inks, Cements, and Allied Subjects. By T. O'CONOR SLOANE A.M., Ph.D. With numerous Illustrations. Square 8vo, cloth =5/0=

=SAVOURIES AND SWEETS.= Suitable for Luncheons and Dinners. By Miss M. L. Allen (Mrs. A. Macaire), Author of "Breakfast Dishes," etc. Thirty-first Edition. F'cap 8vo, sewed =1/0= Or, quarter bound, fancy boards =1/6=

=SHEET METAL-WORKER'S GUIDE.= A Practical Handbook for Tinsmiths, Coppersmiths, Zincworkers, &c., with 46 Diagrams and Working Patterns. By W. J. E. CRANE. Crown 8vo, Cloth =1/6=

=SHEET METAL-WORKER'S INSTRUCTOR.= Comprising Geometrical Problems and Practical Rules for Describing the Various Patterns Required by Zinc, Sheet-Iron, Copper, and Tin-Plate Workers. By R. H. WARN. Third Edition. Revised and Further Enlarged by J. G. HORNER, A.M.I.M.E. Crown 8vo, 280 pp., with 465 Illustrations, cloth =7/6=

=SILVERSMITH'S HANDBOOK.= Alloying and Working of Silver, Refining and Melting, Solders, Imitation Alloys, Manipulation, Prevention of Waste, Improving and Finishing the Surface of the Work, etc. By GEORGE E. GEE. Fourth Edition Revised, Crown 8vo, cloth =3/0=

=SOAP-MAKING.= A Practical Handbook of the Manufacture of Hard and Soft Soaps, Toilet Soaps, etc. With a Chapter on the Recovery of Glycerine from Waste Leys. By ALEXANDER WATT. Seventh Edition, including an Appendix on Modern Candlemaking. Crown 8vo, cloth =7/6=

"The work will prove very useful, not merely to the technological student, but to the soap boiler who wishes to understand the theory of his art."--_Chemical News._

=SOAPS, CANDLES, and GLYCERINE.= A Practical Manual of Modern Method of Utilisation of Fats and Oils in the Manufacture of Soap and Candles, and of the recovery of Glycerine. By L. L. LAMBORN, Massachusetts Institute of Technology, M.Am.C.S. Medium 8vo, cloth. Fully Illustrated. 706 pages _Net_ =30/0=

THE SOAP INDUSTRY--RAW MATERIALS--BLEACHING AND PURIFICATION OF SOAP-STOCK--THE CHEMICAL CHARACTERISTICS OF SOAP-STOCK AND THEIR BEHAVIOUR TOWARDS SAPONIFYING AGENTS--MECHANICAL EQUIVALENT OF THE SOAP FACTORY--COLD PROCESS AND SEMI-BOILED SOAP--GRAINED SOAP--SETTLED ROSIN SOAP--MILLED SOAP-BASE--FLOATING SOAP--SHAVING SOAP--MEDICATED SOAP--ESSENTIAL OILS AND SOAP PERFUMERY--MILLED SOAP--CANDLES-- GLYCERINE--EXAMINATION OF RAW MATERIALS AND FACTORY PRODUCTS.

=SOLUBILITIES OF INORGANIC AND ORGANIC SUBSTANCES.= A Hand-book of the most Reliable Quantitative Solubility Determinations. Recalculated and Compiled by ATHERTON SEIDELL, Ph.D., Chemist, Hygienic Laboratory, U. S. Public Health Service, Washington, D C. Medium 8vo, cloth, 377 pages _Net_ =12/6=

=TEA MACHINERY AND TEA FACTORIES.= Describing the Mechanical Appliances required in the Cultivation and Preparation of Tea for the Market. By A. J. WALLIS-TAYLER, A.M.Inst.C.E. Medium 8vo, 468 pp. With 218 Illustrations _Net_ =25/0=

"The subject of tea machinery is now one of the first interest to a large class of people, to whom we strongly commend the volume."--_Chamber of Commerce Journal._

=WAGES TABLES.= At 54, 52, 50, and 48 Hours per Week. Showing the Amounts of Wages from one quarter of an hour to sixty-four hours, in each case at Rates of Wages advancing by One Shilling from 4s. to 55s. per week. By THOS. CARBUTT, Accountant. Square crown, 8vo, half-bound =6/0=

=WATCH REPAIRING, CLEANING, AND ADJUSTING.= A Practical Handbook dealing with the Materials and Tools Used, and the Methods of Repairing, Cleaning, Altering, and Adjusting all kinds of English and Foreign Watches, Repeaters, Chronographs, and Marine Chronometers. By F. J. GARRARD, Springer and Adjuster of Marine Chronometers and Deck Watches for the Admiralty. Second Edition. Revised. With over 200 Illustrations. Crown 8vo, cloth _Net_ =4/6=

=WATCHES AND OTHER TIMEKEEPERS, HISTORY OF.= By J. F. KENDAL, M.B.H. Inst. =1/6= boards; or cloth =2/6=

=WATCHMAKER'S HANDBOOK.= Intended as a Workshop Companion for those engaged in Watchmaking and the Allied Mechanical Arts. Translated from the French of CLAUDIUS SAUNIER, and enlarged by JULIEN TRIPPLIN, F.R.A.S., and EDWARD RIGG, M.A., Assayer in the Royal Mint. Fourth Edition. Cr. 8vo, cloth =9/0=

"Each part is truly a treatise in itself. The arrangement is good and the language is clear and concise. It is an admirable guide for the young watchmaker."--_Engineering._

=WEIGHT CALCULATOR.= Being a Series of Tables upon a New and Comprehensive Plan, exhibiting at one Reference the Exact Value of any Weight from 1 lb. to 15 tons, at 300 Progressive Rates, from 1d. to 168s. per cwt., and containing 186,000 Direct Answers, which, with their Combinations, consisting of a single addition (mostly to be performed at sight), will afford an aggregate of 10,266,000 Answers; the whole being calculated and designed to ensure correctness and promote despatch. By HENRY HARBEN, Accountant. Sixth edition, carefully corrected. Royal 8vo, strongly half bound =£1 5s.=

"A practical and useful work of reference for men of business generally."--_Ironmonger._

"Of priceless value to business men."--_Sheffield Independent._

=WOOD ENGRAVING.= A Practical and Easy Introduction to the Study of the Art. By W. N. BROWN. Crown 8vo, cloth. =1/6=

HANDYBOOKS FOR HANDICRAFTS.

BY PAUL N. HASLUCK.

Author of "Lathe Work," etc. Crown 8vo, 144 pp., price 1s. each.

[symbol: right pointing hand]_These_ HANDYBOOKS _have been written to supply information for_ WORKMEN STUDENTS, _and_ AMATEURS _in the several Handicrafts, on the actual_ PRACTICE _of the_ WORKSHOP, _and are intended to convey in plain language_ TECHNICAL KNOWLEDGE _of the several_ CRAFTS. _In describing the processes employed, and the manipulation of material, workshop terms are used; workshop practice is fully explained; and the text is freely illustrated with drawings of modern tools, appliances, and processes._

=METAL TURNER'S HANDYBOOK.= A Practical Manual for Workers at the Foot-Lathe. With 100 Illustrations =1/0=

"The book displays thorough knowledge of the subject."--_Scotsman._

=WOOD TURNER'S HANDYBOOK.= A Practical Manual for Workers at the Lathe. With 100 Illustrations =1/0=

"We recommend the book to young turners and amateurs."--_Mechanical World._

=WATCH JOBBER'S HANDYBOOK.= A Practical Manual of Cleaning, Repairing, and Adjusting. With 100 Illustrations =1/0=

"All connected with the trade should acquire and study this work."--_Clerkenwell Chronicle._

=PATTERN MAKER'S HANDYBOOK.= A Practical Manual on the Construction of Patterns. With 100 Illustrations =1/0=

"A most valuable, if not indispensable, manual for the pattern-maker."--_Knowledge._

=MECHANIC'S WORKSHOP HANDYBOOK.= A Practical Manual on Mechanical Manipulation, embracing Information on various Handicraft Processes. With Useful Notes and Miscellaneous Memoranda. Comprising about 200 Subjects =1/0=

"Should be found in every workshop, and in all technical Schools."--_Saturday Review._

=MODEL ENGINEER'S HANDYBOOK.= A Practical Manual on the Construction of Model Steam Engines. With upwards of 100 Illustrations =1/0=

"Mr. Hasluck has produced a very good little book."--_Builder._

=CLOCK JOBBER'S HANDYBOOK.= A Practical Manual on Cleaning, Repairing, and Adjusting. With 100 Illustrations =1/0=

"It is of inestimable service to those commencing the trade."--_Coventry Standard._

=CABINET WORKER'S HANDYBOOK.= A Practical Manual on the Tools, Materials, Appliances, and Processes employed in Cabinet Work. With upwards of 100 Illustrations =1/0=

"Amongst the most practical guides for beginners in cabinet-work."--_Saturday Review._

=WOODWORKER'S HANDYBOOK.= Embracing information on the Tools, Materials, Appliances and Processes Employed in Woodworking. With 104 Illustrations =1/0=

"Written by a man who knows, not only how work ought to be done, but how to do it, and how to convey his knowledge to others."--_Engineering._

"Mr. Hasluck writes admirably, and gives complete instructions."--_Engineer._

"Mr. Hasluck combines the experience of a practical teacher with the manipulative skill and scientific knowledge of processes of the trained mechanician, and the manuals are marvels of what can be produced at a popular price."--_Schoolmaster._

"Helpful to workmen of all ages and degrees of experience."--_Daily Chronicle._

BRADBURY, AGNEW, & CO. LD., LONDON AND TONBRIDGE. (391.25.5.10.)

_WEALE'S SCIENTIFIC & TECHNICAL SERIES._

MATHEMATICS, ARITHMETIC, &c.

Geometry, Descriptive. J. F. HEATHER 2/- Practical Plane Geometry. J. F. HEATHER 2/- Analytical Geometry. J. HANN & J. R. YOUNG 2/- Geometry. Part I. (Euclid, Bks. I.--III.) H. LAW 1/6

## Part II. (Euclid, Books IV., V., VI., XI.,

XII.). H. LAW 1/6 Geometry, in 1 vol. (Euclid's Elements) 2/6 Plane Trigonometry. J. HANN 1/6 Spherical Trigonometry. J. HANN 1/- The above 2 vols., bound together 2/6 Differential Calculus. W. S. B. WOOLHOUSE 1/6 Integral Calculus. H. COX 1/6 Algebra. J. HADDON 2/- Key to ditto 1/6 Book-keeping. J. HADDON 1/6 Arithmetic. J. R. YOUNG 1/6 Key to ditto 1/6 Equational Arithmetic. W. HIPSLEY 1/6 Arithmetic. J. HADDON 1/6 Mathematical Instruments. HEATHER & WALMISLEY 2/- Drawing & Measuring Instruments. J. F. HEATHER 1/6 Optical Instruments, J. F. HEATHER 1/6 Surveying & Astronomical Instruments. J. F. HEATHER 1/6 The above 3 vols., bound together 4/6 Mensuration and Measuring. T. BAKER 1/6 Slide Rule, & How to Use it. C. HOARE 2/6 Measures, Weights, & Moneys. W. S. B. WOOLHOUSE 2/6 Logarithms, Treatise on, with Tables. H. LAW 3/- Compound Interest and Annuities. F. THOMAN 4/- Compendious Calculator. D. O'GORMAN 2/6 Mathematics. F. CAMPIN 3/- Astronomy. R. MAIN & W. T. LYNN 2/- Statics and Dynamics. T. BAKER 1/6 Superficial Measurement. J. HAWKINGS 3/6

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Building Estates. F. MAITLAND 2/- Science of Building. E. W. TARN 3/6 Building, Art of. E. DOBSON and J. P. ALLEN 2/- Book on Building. Sir E. BECKETT 4/6 Dwelling Houses, Erection of. S. H. BROOKS 2/6 Cottage Building. C. B. ALLEN 2/- Acoustics of Public Buildings. Prof. T. R. SMITH. 1/6 Practical Bricklaying. A. HAMMOND 1/6 Practical Brick Cutting & Setting. A. HAMMOND 1/6 Brickwork. F. WALKER 1/6 Brick and Tile Making. E. DOBSON 3/- Practical Brick & Tile Book. DOBSON & HAMMOND 6/- Carpentry and Joinery. T. TREDGOLD & E. W. TARN 3/6 Atlas of 35 plates to the above 6/- Handrailing, and Staircasing. G. COLLINGS 2/6 Circular Work in Carpentry. G. COLLINGS 2/6 Roof Carpentry. G. COLLINGS 2/- Construction of Roofs. E. W. TARN 1/6 Joints used by Builders. J. W. CHRISTY 3/- Shoring. G. H. BLAGROVE 1/6 Timber Importer's & Builder's Guide. R. E. GRANDY 2/- Plumbing. W. P. BUCHAN 3/6 Ventilation of Buildings. W. P. BUCHAN 3/6 Practical Plasterer. W. KEMP 2/- House-Painting. E. A. DAVIDSON 5/- Elementary Decoration. J. W. FACEY 2/- Practical House Decoration. J. W. FACEY 2/6 Gas-Fitting. J. BLACK 2/6 Portland Cement for Users. H. FAIJA & D. B. BUTLER 3/- Limes, Cements, & Mortars. G. R. BURNELL 1/6 Masonry and Stone Cutting. E. DOBSON 2/6 Arches, Piers, and Buttresses. W. BLAND 1/6 Quantities and Measurements. A. C. BEATON 1/6 Complete Measurer. R. HORTON 4/- Superficial Measurement. J. HAWKINGS 3/6 Light, for use of Architects. E. W. TARN 1/6 Hints to Young Architects. WIGHTWICK & GUILLAUME 3/6 Dictionary of Architectural Terms. J. WEALE 5/- Architecture, Orders. W. H. LEEDS 1/6 Architecture, Styles. T. T. BURY 2/- The above 2 vols., bound together 3/6 Architecture, Design. E. L. GARBETT 2/6 The above 3 vols., bound together 6/- Architectural Modelling. T. A. RICHARDSON 1/6 Vitruvius' Architecture. J. GWILT 5/- Grecian Architecture. Lord ABERDEEN 1/- The above 2 vols., bound together 6/-

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Dictionary of Painters. P. DARYL 2/6 Painting, Fine Art. T. J. GULLICK & J. TIMBS 5/- Grammar of Colouring. G. FIELD & E. A. DAVIDSON 3/- Perspective. G. PYNE 2/- Glass Staining & Painting on Glass 2/6 Music. C. C. SPENCER 2/6 Pianoforte Instruction. C. C. SPENCER 1/6

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CROSBY LOCKWOOD & SON, 7, Stationers' Hall Court, E.C.

[Transcriber's note: the following advertisements were moved from the front of the book.]

_WEALE'S SCIENTIFIC & TECHNICAL SERIES._

CIVIL ENGINEERING & SURVEYING.

Civil Engineering. H. LAW & D. K. CLARK 6/6 Pioneer Engineering. E. DOBSON 4/6 Iron Bridges of Moderate Span. H. W. PENDRED 2/- Iron and Steel Bridges & Viaducts. F. CAMPIN 3/6 Constructional Steel & Ironwork. F. CAMPIN 3/6 Tubular & Girder Bridges. G. D. DEMPSEY 2/- Materials and Construction. F. CAMPIN 3/- Sanitary Work. C. SLAGG 3/- Roads & Streets. LAW, CLARK, & WALLIS-TAYLER 6/- Construction of Gasworks. S. HUGHES & H. O'CONNOR 6/- Well-Sinking. J. G. SWINDELL & G. R. BURNELL 2/- Drainage. G. D. DEMPSEY & D. K. CLARK 4/6 Blasting and Quarrying. J. BURGOYNE 1/6 Foundations and Concrete Work. E. DOBSON 1/6 Pneumatics. C. TOMLINSON 1/6 Surveying. T. BAKER & F. E. DIXON 2/-

MECHANICAL ENGINEERING, &c.

Engineering Drawing. J. MAXTON 3/6 Fuels, Analysis and Valuation. H. J. PHILLIPS 2/- Fuel. C. W. WILLIAMS & D. K. CLARK 3/6 Boilermaker's Assistant. J. COURTNEY 2/- Boilermaker's Ready Reckoner. J. COURTNEY 4/- Boilermaker's Ready Reckoner and Assistant 7/- Steam Boilers. R. ARMSTRONG 1/6 Steam and Machinery Management. M. P. BALE 2/6 Steam and the Steam Engine. D. K. CLARK 3/6 Steam Engine, Theory of. T. BAKER 1/6 Steam Engine. Dr. LARDNER 1/6 Locomotive Engines. G. D. DEMPSEY & D. K. CLARK 3/- Locomotive Engine Driving. M. REYNOLDS 3/6 Stationary Engine Driving. M. REYNOLDS 3/6 Model Locomotive Engineer. M. REYNOLDS 3/6 Modern Workshop Practice. J. G. WINTON 3/6 Mechanical Engineering. F. CAMPIN 2/6 Details of Machinery. F. CAMPIN 3/- Elementary Marine Engineering. J. S. BREWER 1/6 Power of Water. J. GLYNN 2/- Mechanism and Machines. T. BAKER & J. NASMYTH 2/6 Mechanics. C. TOMLINSON 1/6 Cranes and Machinery. J. GLYNN 1/6 Smithy and Forge. W. J. E. CRANE 2/6 Sheet-Metal Worker's Guide. W. J. E. CRANE 1/6 Elementary Electric Lighting. A. A. C. SWINTON 1/6

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NAVIGATION, SHIPBUILDING, &c.

Navigation. J. GREENWOOD & W. H. ROSSER 2/6 Practical Navigation. GREENWOOD, ROSSER & LAW 7/- Navigation and Nautical Astronomy. J. R. YOUNG 2/6 Mathematical & Nautical Tables. LAW & YOUNG 4/- Masting and Rigging. R. KIPPING 2/- Sails and Sailmaking. R. KIPPING 2/6 Marine Engines. R. MURRAY & G. CARLISLE 4/6 Naval Architecture. J. PEAKE 3/6 Ships, Construction of. H. A. SOMMERFELDT 1/6 Plates to ditto. 4to 7/6 Ships and Boats. W. BLAND 1/6

=AGRICULTURE & GARDENING.=

Fertilisers & Feeding Stuffs. DR. B. DYER _net_ 1/- Draining and Embanking. PROF. J. SCOTT 1/6 Irrigation and Water Supply. PROF. J. SCOTT 1/6 Farm Roads, Fences, and Gates. PROF. J. SCOTT 1/6 Farm Buildings. PROF. J. SCOTT 2/- Barn Implements and Machines. PROF. J. SCOTT 2/- Field Implements and Machines. PROF. J. SCOTT 2/- Agricultural Surveying. PROF. J. SCOTT 1/6 The above 7 vols., bound together 12/- Farm Management. R. S. BURN 2/6 Landed Estates Management. R. S. BURN 2/6 Farming--Soils, Manures, and Crops. R. S. BURN 2/- Farming--Outlines--Farming Economy. R. S. BURN 3/- Farming--Cattle, Sheep, and Horses. R. S. BURN 2/6 Farming--Dairy, Pigs, and Poultry. R. S. BURN 2/- Farming--Sewage & Irrigation. R. S. BURN 2/6 The above 5 vols., bound together 12/- Book-keeping for Farmers. J. M. WOODMAN 2/6 Ready Reckoner for Land. A. ARMAN 2/- Miller's & Farmer's Ready Reckoner 2/- Hay and Straw Measurer. J. STEELE 2/- Meat Production. J. EWART 2/6 The Sheep. W. C. SPOONER 3/6 Multum-in-Parvo Gardening. S. WOOD 1/- Forcing Garden. S. WOOD 3/6 Market and Kitchen Gardening. C. W. SHAW 3/- Kitchen Gardening. G. M. F. GLENNY 1/6 Cottage Gardening. E. HOBDAY 1/6 Garden Receipts. C. W. QUIN 1/6 Potatoes: How to Grow. J. PINK 2/- Culture of Fruit Trees. M. DU BREUIL 3/6 Tree Planter & Plant Propagator. S. WOOD 2/- Tree Pruner. S. WOOD 1/6 Tree Planter, Propagator, & Pruner. S. WOOD 3/6 Grafting and Budding. C. BALTET 2/6 Bees for Pleasure & Profit. G. G. SAMSON _net_ 1/-

CROSBY LOCKWOOD & SON, 7, Stationers' Hall Court, E.C.

Transcriber's notes: page 14. add period after "the above processes" 29. varnsh corrected to varnish 31. from corrected 32. closing quote added after Polish 44. polish aud spirits changed to and 93. added parens close after "finish 95. earthern corrected to earthen 97. boiled-linseed oil corrected to boiled linseed-oil 104. period after coarsely 114. campeachiaum corrected to campeachianum 130. published net added right bracket 131. net added right bracket 131. OF METALS added period 134. added right bracket ] 135. Material [added right bracket] Uses of 137. "Refining"--Power Consumption added dashes 138. added ] in 3 places

End of Project Gutenberg's French Polishing and Enamelling, by Richard Bitmead