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 Book 230
Grease, To Remove from Machinery 216
Greasing the Front Wheels of an Automobile 320
Grills, Rope, How to Make 277
Ground Glass, Imitating 294
Guitar That Is Easy to Make 320
Gummed Paper, Substitute for 315
Gun Barrels, Bursting of 304
Gun, Toy, for Throwing Cardboard Squares 269
Gymnasium.  Outdoor: 
  Part I-The Horizontal Bar 298
  Part Ii-Parallel Bars 301
  Part III-The Horse 303

H
Hacksaw Blade, Knife Made from 293
Hammock, Barrel Stave 75
Hammock, How to Make 410
Hand Car Made of Pipe and Fittings 440
Hand, Magic Spirit 2
Handbag, Ladies’, How to Make 213
Handbag, Removing 36 Cannon Balls from 256
Handkerchlef Mended after Being Cut and Torn 198
Handkerchief Trick, Vanishing 319
Handle, Opengng, for a Stamp Pad 23
Handle, Tying Paper Bag to Make 10
Hanger, Trousers, How to Make 143, 369
Hangers, Tool 453
Hardening Copper 206
Harmonograph, Line 34
Hat.  To Hang on a Lead Pencil 133
Hatpins, Sealing Wax, How to Make 175
Hats, Felt, Packing Cut from 207
Heat and Expansion 124
Heat, Cardboard Spiral Turned by 226
Heat, Experiment with 134
Heat Regulator, Electric 344
Hectograph, Homemade 240, 326
Hinge, Broom Holder Made of 33
Hinges, Imitation Fancy Wings on 224
Hinges, Leather, Metal Covering for 41
Hole, Square, How to Bore 179
Hole, Threaded, Sizing 295
Holes, Boring In Cork 8
Holes, Circular.  Cutting In Thin Sheet Metal 35
Holes, Different Shaped, Fitting Plug in 122
Horn, Electric, How to Make 218
Horn, Paper Phonograph, How to Make 71
Horn Used as Funnel 7
Horsepower of Small Motors, Finding 238
House, Building In a Tree Top 146
Hydrogen Generator, Constant Pressure 70
Hydrogen Generator, Small Electrical 54
Hygrometer, How to Make 71, 140