Part VII

284

Arms, Drip Shield for 258 Arrowhead, Flint, How to Make 23 Asbestos Table Pads, Homemade 212 Athletes, Weights for, How to Make 274 Atomizer, How to Make 158 Automobile, Boys' Homemade 402, 430 Automobile Engine, Cooling Water for 236 Automobile, Greasing the Front Wheels of 320 Automobile Headlights, Adjusting 217 Automobile, Painting 357 Automobile with Sails 326 Axle, Cart without 291

B Babbitt Ladle, Emergency 264 Babbitt, Ladle for Melting 173 Bag, Changing, for Plate Holders 212 Bag, Sewing, How to Make 386 Bags, Paper, Use for 19 Balloon Ascension Illusion 300 Balloon, Pilot, How to Make 118 Balloons, Paper, How to Make 215 Barometer, Homemade 151 Barometer, How to Make 188 Barrel Stave Hammock 75 Barrel Stave Sled 383 Baseball, Playing with a Pocket Knife 250 Baseball Throwing Practice, Device for 312 Bath. Shower, To Make 15 Bathtub Stopper, Substitute 429 Batteries, Connecting Up to Give Any Voltage 93 Batteries, Dry, To Obtain Cheaply 410 Batteries, Dry, To Renew 369, 378, 401 Batteries, Gravity, Why Fail 115 Battery Binding Posts, Wire Loop Connections for 449 Battery Cell. Dry, Making 160 Battery Connections, Wire Terminals for 168 Battery, Grenet, How to Make 83 Battery Motor, Controller and Reverse for 72 Battery Motor, Reversing 405 Battery, Non-Polarizing, How to Make 151 Battery Rheostat 80, 445 Battery, Small Storage, How to Make 121 Battery Switch 99 Battery, Thermo-Electric, How to Make 59, 140 Battery Voltmeter 153 Battery Zincs, Old, To Use 87 Bed Warmer. Electric, How to Make 338 Beeswax, Substitute for 129 Bell, Cracked, Restoring Tone to 71 Bell, Return Call, with One Wire 101 Bell Ring Register 316 Bell, Ringing by Touching a Gas Jet 403 Belt, Eyelets for 432 Belt Lace Caution 239 Belt, Round, To Make without Ends 243 Bench Lathe Made of Pipe Fittings 316 Bicycle Catamaran 145 Bicycle Coasting Sled, How to Make 231 Bicycle Frame, Enameling 385 Bicycle, Runners on 157 Bicycle, To Attach a Sail to 425 Bicycle, Trailer for 397 Bicycle Trouser Guards for Sleeve Bands 283 Bicycle. Water, How to Make 335 Bill File Made of Corkscrews 315 Bind Magazines, To 40, 56, 406 Bird House, Proper Design for 201 Bird Houses, Clay Flower Pots Used for 277 Bit, Gouge Used as 411 Blotter Pad, Corner Pieces for 8 Blotting Pad, Desk 17 Blowpipe, Homemade 428 Blueprint Lantern Slides, How to Make 120 Blues, prussian and Chinese 401 Boards, Joining 268 Boat-Bicycle Catamaran 145 Boat-Canoe, How to Make 451 Boat-Catamaran, Cruising 423 Boat, Ice, How to Build 357, 382 Boat, Paddle, How to Make 100 Boat, Paper, How to Make 321 Boat-Punt, Homemade 123 Bobsled, Homemade Yankee 408 Bolts, Rusted 151

## Book Cover, Paper, How to Make 126

Book Holder 32 Book, Removing Grease Stains from 230 Book Rest 292

## Bookcase Doors, To Keep Closed 377

## Bookmark 379

## Bookmark, Brass 18

## Bookmark, Paper Clip 241

Books. How to Carry 409 Boomerangs, How to Make 4, 202 Bore a Square Hole, How to 179 Boring Holes In Cork 8 Bottle, Cutting Thread inside of 179 Bottle, Diving 331 Bottle, Inverted, Withdrawing Paper from Under 33 Bottle, Photographing Man in 74 Bottle Pushing on the Ice 409 Bottles, Round End. Base for 29 Bottle Stopper, New Way to Remove 224 Bowl, Copper, How to Make 185 Box Cover. Sliding, Fastener 256 Box, Fishhook 379 Box, Magic 7 Box, Water Color 257 Boxes, Rustic Window 30 Bracket Saw, Cheap, How to Make 42 Brass Bookmark 18 Brass, Cleaning 407 Brass Flag, Ornamental, How to Make 266 Brass Frame In Repoussé 237 Brass Furnace, How to Build 115 Brass, Piercing Punch for 19 Brass Plaques, Photo Silhouette, Making 217 Brass Surface, Flat, Polishing 229 Brass Work-Candlestick, How to Make 325 Bread, Loaf, Cutting 36 Bronze Liquid 329 Brooder for Small Chickens 343 Broom Holder 13 Broom Holder Made of a Hinge 33 Broom, Old, Crutch Made of 352 Brush, Counter, for a Shop 419 Brush, To Keep from Spreading 367 Brushes, Paint, Care of 267 Bulb on a Glass Tube, To Make 324 Bunsen Cell, How to Make 206 Burglar Alarm, Simple, How to Make 368 Burning Inscriptions on Trees 45 Burns, Carbolic Acid 126 Button, Changing into a Coin 234 Button. Removing from Child's Nostril 237 Buttonhole Trick 234

C Cabinet for Pot Covers 16 Cabinet for Phonograph Records 483 Cabinet, Music, How to Make 77 Cabinet, Phonograph Disk Cabinet 79, 433 Calendar, Handy 196 Calliope, Steam, How to Make 418 Camera, Box, Repairing 379 Camera, Enlarging from Life in 111, 117 Camera, Homemade Kits for 159 Camera, Making Light proof 58 Camera, Practical, for Fifty Cents 365 Camp Stool, How to Make 222 Camp, Tin Drinking Cup for 379 Camper's Lantern, Makeshift 266 Camps and How to Build Them 341 Camps, Keeping Food Cool in 21 Can Covers, Tool for Lifting 352 Candle Shade, How to Make 191 Candlestick, How to Make 240, 281, 325 Candlestick, Water 406 Cane Chairs, How to 259 Cane in Furniture, Tightening 230 Cannon Balls, 36, Removing from Handbag 256 Cannon, Gas 197 Cannon, How to Make 42 Cannon, Lead, How to Make 338 Cannon, Toy, To Discharge by Electricity 59 Canoe, How to Make 451 Canoe, Sailing, How to Make 199 Cans, Tomato, Irrigating with 450 Canvas Cot, Folding, How to Make 154 Canvas, Waterproofing 146 Carburetor Difficulties 208 Card Trick, Rising 256 Card Trick with a Tapered Deck 70 Cardboard Spiral Turned by Heat 226 Cardboard Squares. Gun for Throwing 269 Cardcase, Lady's, How to Make 350 Cards, Mechanical Trick with 63 Carpenter's Gauge 19 Carpenter's Vise, Homemade 36 Carpet Sweeper Wheels, New Tires for 266 Cart, Dog 60 Cart without an Axle 291 Catamaran, Bicycle 145 Catamaran, Cruising 423 Catapult, Fourth of July 447 Cats, Shocking, Device for 411 Cell, Bunsen 206 Cell, Daniell 252 Centaur. Boys Representing 173 Centering, To Make Unnecessary 319 Chain Made from a Match 377 Chair, Child's Footrest on 453 Chair Legs. Rubber Tip for 229 Chair, Porch Swing 128 Chair Rockers, Safety Tips on 429 Chair Sleighs 383 Chairs, Balancing on 131 Chairs, To Cane 259 Checker Board Puzzle 189, 233 Cheese box Cover, Tea Tray 18 Chemicals. Protecting Fingers from 283 Cherry Seeder 29 Chicken Coop. Keeping Rats from 352 Chickens, Drinking Trough for 454 Chickens, Feed Box for 292 Chickens. Small, Brooder for 343 Chisel, Ice 61 Chisel, Steel, Annealing 362 Chopping Board 19 Christmas Tree Decorations, Repairing 11 Churn, Homemade Small 192 Clamp, Magazine, How to Make 435 Clamping a Cork 33 Clamps, Homemade Soldering 137 Cleaner for Gloves 302 Cleaner for White Shoes 239 Cleaning Brass 407 Cleaning Discolored Silver 344 Cleaning Furniture 185 Cleaning, Glass, Solution 31 Cleaning Jewelry 353 Cleaning Leather on Furniture .13 Cleaning Silver 305 Cleaning Walls 375 Cleaning Woodwork 315 Cleats, Insulating, Substitute for 348 Clock, Electric, How to Make 268 Clock, Homemade Novelty 446 Clock, How to Clean 119 Clock, Novelty, for the Kitchen 360 Clock, Old, Use for 367 Clothes Rack 14 Clothesline, Double, Support for 318 Coaster, Roller, Illusion 298 Coaster, Trolley, How to Make 387 Coasters and Chair Sleighs 383 Cock, 'l'hree Way, for Small Model Work 50 Coil. Jump Spark 113 Coils, Forming to Make Flexible Wire Connections 443 Coin and Card on the First Finger 175 Coin and Tumbler Trick 378 Coin, Changing Button Into 234 Coin, Disappearing 176, 193 Coin In a Wine Glass Trick 167 Coin, Moving under a Glass 214 Coin Purse, How to Make 354 Coin, Sticking against Wall 176 Coin, Sticking to Wood by Vacuum 287 Coins, Display Rack Shows Both Sides of 220 Coins, Sending by Mail, Safe Method of 287 Compass, Mariner's 170 Compass Needle, Floating 160 Compass, Substitute for 289 Compressed Air Phenomenon 111 Concrete Kennel 23 Concrete Swimming Pool 178 Conservatory, Window 103 Controller for a Small Motor 42 Cook Fish, One Way to 206 Copper Bowl, How to Make 185 Copper, Hardening 206 Copper Picture Frame, Etched, How to Make 414 Copper Trays, How to Make 180 Copper Work--Corner Pieces for a Blotter Pad 8 Cord. Buttoned 427 Cork, Boring, Holes in 8 Cork, Clamping 33 Cork Extractor 300 Corks, How to Fit 368 Corkscrews, Bill File Made of 315 Corner Pieces for a Blotter Pad, How to Make 8 Cot. Canvas, How to Make 154 Counter Brush for a Shop 419 Crossbow and Arrow Sling, How to Make 339 Crutch. Homemade 369 Crutch Made of an Old Broom 352 Crystallization, Instantaneous 288 Cup and Saucer Rack, How to Make 105 Cup, Tin Drinking, for the Camp 379 Current Reverser 107, 111 Curtain Roller 419 Curtain Roller Spring, How to Tighten 79

D Dance, Miniature War 255 Darkroom Lantern, Homemade 14, 340 Darkroom, Photographic, Building 26 Demagenetizing a Watch 166 Desk Blotting Pad 17 Developing Box, How to Make 220 Developing Tray, Cracked Composition, To Repair 260 Developing Tray. Photographic 269 Dish Holder, Hot 7 Dogcart, Homemade 160 Dog, How to Chain 257 Dog's Bark, Drowning with Water 435 Dogs, To Drive Away 106 Door Bell and Electric Alarm 114 Door Lock, Secret 6 Door Opener, Electric 78 Door Opener for a Furnace 83 Door, Sliding, Electric Lock for 89 Dovetail Joint 29 Dovetail Joint Puzzle 236 Draft Opener, Automatic 102 Draftsman. Spline for 406 Draftsmau's Ink Bottle Cork, Steel Pen Used In 117 Drawers, Several, Locking with One Lock 314 Drawing, Aid In 270 Drawing Instrument-Wondergraph, How to Make 436 Drawing, Landscape, Made Easy 449 Drill Gauge, Handy 252 Drill, Hand, How to Make 444 Drinking Cup, Tin, for the Camp 379 Drinking Trough for Chickens 454 Drip Shield for the Arms 258 Dry Batteries, Another Way to Renew 378 Dry Batteries, Cheap, How to Obtain 410 Dry Batteries, Old, To Renew 401 Dry Batteries, Renewing 367 Dry Battery Cell, How to Make 160 Duplicator for Box Cameras 363 Duplicator, Homemade 240

E Easel, How to Make 415 Egg-Beater, How to Make 291 Eggshell Funnel 93 Eggshells, How to Preserve 288 Elderberry Huller, Homemade 323 Electric Alarm 94 Electric Alarm, Door Bell and 114 Electric Alarm That Rings a Bell and Turns On a Light 337 Electric Anesthesia 445 Electric Apparatus-Ammeter, How to Make 49, 203 Electric Apparatus-Annunciator, Homemade 57 Electric Apparatus-Annunciator, How to Construct 416 Electric Apparatus-Batteries, Connecting Up to Given Any Voltage 93 Electric Apparatus-Battery Rheostat 80 Electric Apparatus-Battery Voltmeter 153 Electric Apparatus-Bell, Return Call, with One Wire 101 Electric Apparatus-Cats, To Shock 411 Electric Apparatus-Cell, Daniell 252 Electric Apparatus-Circuit Breaker for Induction Coils 101 Electric Apparatus-Controller and Reverse for Battery Motor 72 Electric Apparatus-Controller for a Small Motor 42 Electric Apparatus-Current Reverser 107, 111 Electric Apparatus-Galvanometer, Tangent 150 Electric Apparatus-Induction Coil, How to Make 138 Electric Apparatus-Induction Coils, Mercury Make and Break Connection for 187 Electric Apparatus-Jump Spark Coil 113 Electric Apparatus-Medical Induction Coil, How to Make 63 Electric Apparatus-Motor, Single Phase Induction 124 Electric Apparatus-Motors, Direct Connected Reverse for 60 Electric Apparatus-Rheostat, Lead Pencil 145 Electric Apparatus-Shocking Machine 139 Electric Apparatus-Thermo Battery, How to Make 59 Electric Apparatus-Thermostat, Small 455 Electric Apparatus-Transformer, 110-Volt 439 Electric Apparatus-Voltammeter, Pocket 330 Electric Battery Massage, Homemade 144 Electric Bed Warmer, Homemade 338 Electric Bell, Relay Made from 94 Electric Blue Light Experiment 47 Electric Clock, Homemade 268 Electric Charges, Detector for 281 Electric Door Opener 78 Electric Engine 276 Electric Experiment, Interesting 377 Electric Experiment, Reversing Switch for 92 Electric Fire Alarm, How to Make 430 Electric Furnace Regulator, How to Make 388 Electric Furnace, Small, How to Make 48 Electric Heat Regulator, Automatic 344 Electric Horn, How to Make 218 Electric Hydrogen Generator 54 Electric Illusion Box 135 Electric Indicator for a Wind Vane 348 Electric Lamp Experiment 53, 120, 131 Electric Lamp Sockets, Miniature, How to Make 270 Electric Lamps, Miniature 434 Electric Lamps, Testing 314 Electric Light Circuit, Experiments with 50 Electric Lighting, Miniature 104 Electric Lights, Turned On and off from Different Places 205 Electric Lock 60, 110 Electric Lock for Sliding Door 89 Electric Lock, Simple 60 Electric Locomotive, Miniature, How to Make 165 Electric Motor 401 Electric Motor, Novel 395 Electric Motor, Small 214, 222, 345 Electric Pendant Switch, How to Make 310 Electric Piano, How to Make 247 Electric Plug, Homemade 430 Electric Postcard Projector 195 Electric Rat Exterminator 358 Electric Shock, To Give While Shaking Hands 133 Electric Shocker for Garbage Cans 94 Electric Stove. Homemade 31, 273 Electric Terminals, Varnish for 376 Electric Time Alarm 433 Electric Toaster, How to Make 37 Electric Walking Stick 413 Electric Wires, Flexible, Adjuster for 386 Electricity, To Discharge Toy Cannon by 59 Electricity; To Explode Powder with 53 Electricity, Writing with 74 Electrodeposition, Copies Made from Wax Molds by 157 Electrolytic Rectifier, How to Make 197 Electromagnet, Floating 152 Electroplating, Easy Method of 88 Electroscope, How to Make 103 Electrostatic Illumination 299 Emery Wheel Arbors, Washers for 359 Enameling a Bicycle Frame 385 Engine, Electric 276 Engine, Gasoline, How to Make 207 Engine, Model Steam 1 Engine, Steam, Made from Gas Pipe and Fittings 184 Engine, Toy Steam, How to Make 73 Engine, Turbine, How to Make 355 Equatorial, Homemade 204, 253 Equilibrator for Model Aeroplanes 11 Experiment, Center of Gravity 302 Experiment, Electric 377 Experiment, Electric Blue Light 47 Experiment, Heat and Expansion 124 Experiment, Phonograph 105 Experiment, Telephone 137 Experiment with a Vacuum 439 Experiment with Colored Electric Lamps 53 Experiment with Heat 134 Experiment with Incandescent Lamp 427 Experiment with Two Foot Rule and Hammer 106 Experiment, X-Ray 190 Experiments, Electric Lamp 120, 131 Experiments, Electrical, Reversing Switch for 92 Experiments with a Mirror 434 Experiments with Electric Light Circuit 50 Eye, Blind Spot in, To Find 129 Eyeglasses, Holding Firm 315

F Fan, Wooden, How to Make 332 Faucet Used as an Emergency Plug 343 Feed Box for Chickens 292 File, Chalking 19 File, Sharpening Skates with 306 File Soft Metals, How to 406 Film Washing Trough 331 Films, Drying 412 Films, Frame for Drying 446 Filter, Simple and Effective 278 Filtering with a Small Funnel 25 Finger Mathematics 181 Finger, Removing Tight Fitting Ring from 361 Fingers, Protecting from Chemicals 283 Fire Alarm, Cheap 47 Fire Alarm, Electric, How to Make 430 Fire Alarm, Simple, How to Make 359 Fire Extinguisher, Homemade 351 Fire, Making with the Aid of Ice 338 Fire Screen, How to Make 82 Fire Screen. Leaded Glass 295 Fish Bait 152 Fish, One Way to Cook 206 Fishhook Box 379 Fishing through Ice, Signals for 10, 281, 380 Flag, Brass, How to Make 266 Flatiron Rest 19 Flier, Toy, How to Make 429 Flint Arrowhead, How to Make 23 Floor Polisher, Homemade 10, 350 Flour Sifter 7 Flower, Magic Growing 244 Flower Pot Stand 33 Flower Pots, Clay, Used for Bird Houses 277 Flower Pots, Window Shelf for 292 Flower Stand, Iron 353 Flowers, Cut, To Longer Preserve 419 Flowers, Decoloration of 288 Flush Valve, Repairing a Washer on 344 Fob, Shoestring Watch, How to Weave 285 Fob, Watch, How to Make 12, 223 Food. Keeping Cool in Camps 21 Football, Tying Knot for 133 Footrest, Child's, on an Ordinary Chair 453 Footwear, Drier for 229 Forks, Balancing on a Pin Head 427 Foundry Work at Home 95 Fountain for an Ordinary Pen 450 Fountain Pen, Ordinary Pen Used as 454 Fountain Pen Used as a Ruler 319 Fountain Pens, Leaking, Remedy for 390 Frame, Brass, in Repoussé 237 Frost, To Keep Windows Free from 354 Fuming of Oak 196 Funnel. Eggshell 93 Funnel, Filtering with 25 Funnel, Glass 412 Funnel, Horn Used as 7 Funnel, Temporary 275 Funnel, Venting a 318 Furnace, Brass, How to Build 115 Furnace, Door Opener for 83 Furnace Draft. Alarm Clock to Pull Up 107 Furnace Draft Opener, Automatic 102 Furnace, Electric, How to Make 48 Furnace Regulator, Electric, How to Make 388 Furniture, Cleaning 185 Furniture, Cleaning Leather on 13 Furniture, Drawing of 294 Furniture--Library Set in Pyro-Carving 407 Furniture--Rustic Seat 441 Furnlture--Table, Mission Library, How to Make 141 Furniture, Tightening Cane In 230

G Galvanometer, Tangent, How to Make 150 Galvanoscope, How to Make 68 Game-Baseball, Playing with a Pocket Knife 250 Game-Bottle Pushers 409 Game, Chinese Outdoor 176 Game Played on the Ice 216 Garbage Can, Keeping Animals Away from 94 Gas Cannon 197 Gas Jet, Ringing a Bell by Touching 403 Gas Jet, Shade Holder Bracket for 419 Gas, To Light without Matches 394 Gasoline Burner for Model Work 55 Gasoline Engine, Homemade 207 Gauge, Carpenter's 19 Gauge, Drill 252 Gauge, Rain, How to Make 64 Gauntlets on Gloves 266 Gear Cutting Attachment for Small Lathes 167 Gear for Model Work 225 Gear Wheels, Small, To Make without a Lathe 46 Geissler Tuhe, How to Make 154 Glass Blowing and Forming 420 Glass Cleaning Solution 31 Glass, Effect of Radium on 116 Glass, Emergency Magnifying 305 Glass, Fire Screen, Leaded 295 Glass Funnel, Emergency 412 Glass, Ground, Imitating 294 Glass, Ground, Substitute 255 Glass Letters, Removing from Windows 319 Glass, Magnifying, How to Make 397 Glass, Photograph Prints Mounted on 231 Glass Plates, Piercing with a Spark Coil 426 Glass Tube, To Make a Bulb on 324 Gilder, How to Make 171 Gloves, Cleaner for 302 Gloves, Gauntlets on 266 Gold Leaf, Covering Signals with 189 Gouge Used as a Bit 411 Gramophone Records, Cracked, Repairing 24 Grape Arbor, How to Build 73 Gravity Batteries, Why Fail 115 Gravity Experiment 302 Grease Stains, Removing from