part II

.—Beeswax 8 parts Water 56 parts Potassium carbonate 4 parts

Dissolve the potash in 12 parts of water; heat together the wax and the remaining water till the wax is liquefied; then mix the two and boil together until a perfect emulsion is effected. Color, if desired, with a solution of annatto.

«Ground-Laying Oil for Ceramics.»—Boil together until thoroughly incorporated 1 pint of linseed oil, 1 pint of dissolved gum mastic, 1⁠/⁠2 ounce of red lead, 1⁠/⁠2 ounce of rosin. In using mix with Venice turpentine.

«Oil Suitable for Use with Gold.»—Heat and incorporate linseed oil, 1 quart; rape oil, 1 pint; Canadian balsam, 3 pints; rectified spirits of tar, 1 quart.

«Wool Oil.»—These are usually produced by the distillation in retorts of Yorkshire grease and other greases. The distilled oil is tested for quality, and is brought down to 70 per cent or 50 per cent grades by the addition of a suitable quantity of mineral oil. The lower the quality of the grease used the lower is the grade of the resulting wool oil.

OIL, CASTOR: See Castor Oil.

OIL FOR FORMING A BEAD ON LIQUORS: See Wines and Liquors.

OILS FOR HARNESS: See Leather.

OILS (EDIBLE), TESTS FOR: See Foods.

OIL, HOW TO POUR OUT: See Castor Oil.

OIL, LUBRICATING: See Lubricants. {486}

OILS, PURIFICATION OF: See Fats.

OILCLOTH: See Linoleum.

OILCLOTH ADHESIVES: See Adhesives.

OILCLOTH VARNISHES: See Varnishes.

OILING FIBERS AND FABRICS: See Waterproofing.

OILSKINS: See Waterproofing.

OIL REMOVERS: See Cleaning Preparations and Methods.

OIL, SOLIDIFIED: See Lubricants.

«Ointments»

«Arnica Salve.»—

Solid extract of arnica 2 parts Rosin ointment 16 parts Petrolatum 4 parts Sultanas 16 parts Fine cut tobacco 1 part

Boil the raisins and the tobacco in 40 ounces of water until exhausted, express the liquid, and evaporate down to 8 ounces. Soften the arnica extract in a little hot water and mix in the liquid. Melt the rosin ointment and petrolatum together, and add the liquid to the melted mass and incorporate thoroughly.

«Barbers’ Itch.»—

Ichthyol 30 grains Salicylic acid 12 grains Mercury oleate (10 per cent) 3 drachms Lanolin 1 ounce

Mix. To be kept constantly applied to the affected parts.

«Brown Ointment.»—

Rosin 1 ounce Lead plaster 4 ounces Soap cerate 8 ounces Yellow beeswax 1 ounce Olive oil 7 1⁠/⁠2 fluidounces

«Chilblains.»—The following are for unbroken chilblains:

I.—Sulphurous acid 3 parts Glycerine 1 part Water 1