lors, To Prevent from Crawling 54
Water, Drowning a Dog's Bark with 435
Water. Freezing in Pipes 409
Water Motor, Homemade 66, 311
Water Power, Spit Turned by 102
Waterproofing a Wall 229
Water Rheostat 43, 78
Water Supply, Cost of 435
Water Telescope. How to Make 410
Water Wheel Does Family Washing 129
Water Wheel, How to Make 374
Water Wings, How to Make 202
Wax Impressions from Seals 450
Wax Molds, Copies Made by Electrodeposltion 157
Weather Vane, Monoplane 390
Weatherproofing for Tents 389
Weights for Athletes, How to Make 274
Wheel, Revolving with Boat Sails 152
Wheels, Front, of an Automobile, Greasing 320
Wheels, Sprocket, To Make 15
Whisk Broom Holder, Sheet Metal 221
Wind Propeller, How to Make 415
Wind Vane, Electric Indicator for 348
Windmill for Practical Purposes, How to Make 399
Windmill, Miniature, How to Make 333
Windmill, Musical 74
Windmill, Stationary, How to Make 445
Window Attraction--Fish and Birds Illusion 239
Window Boxes, Rustic 30
Window Conservatory 103
Window Display 22
Window Lock 397
Window Shade, Fastening to a Roller 413
Window Shade, Repair for 229
Window Shelf for Flower Pots 292
Window Stick 450
Windows, Removing Glass Letters from 319
Windows, To Keep Free from Frost 354
Wings, Water, How to Make 202
Winter Sports, Devices of 380
Wire, Aluminum, Insulating 306
Wire Connections, Flexible, Forming Coils to Make 443
Wire Loop Connections for Battery Binding Posts 449
Wire, Paraffin, How to 161
Wire Puzzle 378
Wire, Removing Insulation from 213
Wire Terminals for Battery Connections 168
Wireless Coherer, Easily Made 77
Wireless Messages, Quartz Electrodes Used In Receiving 170
Wireless Systems, Simple 54
Wireless Telegraph, How to Make 84, 121
Wireless Telegraph Messages, To Receive with a Telephone 92
Wireless Telegraph, Short Distance 102
Wireless Telephone, How to Make 432
Wires, Drawing Into Fixtures 13
Wires, Flexible Electric, Adjuster for 386
Wondergraph, How to Make 436
Wood Pieces, Octagonal Wood, Block for 293
Wood, Staining 221
Woodwork, Cleaning 315
Work Basket, Homemade 22
Work Basket, Magnet for 292
Workbench for the Amateur 226
Workbench, Homemade 442
Wrestling Mat 330
Writing with Electricity 74

X
X-Ray Experiment 190
X-Ray Instrument, Homemade 151

Y
Yacht, Ice, How to Build 307

Z
Zincs, Old Ba