ILLUSTRATIONS
Reading edition
The Burning of an Observation Balloon at Fort Sill, Oklahoma Frontispiece
FACING PAGE
Laying a Field Telegraph Line 8
Signal-Corps Men Erecting a Field Telephone 8
Signal-Corps Men at Work Repairing the Tangle of Copper Wires Which Link the Infantry in the Front-Line Trenches with the Guns 9
Communication by Use of Panels 14
A Member of the Signal Corps Sending Messages by Means of a Lamp 15
Motion-Picture Operators of the Photographic Section of the Signal Corps Going into Action on a Tank 34
An Officer of the Signal Corps Operating a Telephone at the Front 35
New Type of Search-Light Used in the American Army 80
Camouflaging a Divisional Headquarters in the Toul Sector 81
Suits Known as Cagoules 94
The Work of the Camouflage Corps 95
Man and Horse Completely Protected Against Poisonous Gas 132
Types of Gas Masks Used by American and European Armies 133
1,500 Tons of Peach-Pits Used for the Manufacture of Charcoal for Use in Gas Masks 134
Testing Respirators Outside the Gas Chamber 135
Testing Gas Masks Inside the Gas Chamber 135
Advancing Under Gas 138
Training for Gas Warfare 139
Cutting Their Way through Barbed-Wire Entanglements while Training with Gas Masks 139
American Salvage Dump in France 192
A Workroom in an American Salvage Depot in France 192
An American Delousing Station 193
An American Laundry in Operation Near the Front 193
A 16-Inch Howitzer 202
A 16-Inch Howitzer on a Railway Mount 203
A Scene in an American Arsenal 214
Filling a Powder-Bag for a 16-Inch Gun 215
An American 75-mm in Action 232
The 37-mm Gun in Action 233
An American 75-mm Field Gun, Tractor Mounted 234
A 12-Inch Railway Gun in Operation 235
A 12-Inch Seacoast Mortar on a Railway Mount 236
6-Inch Seacoast Rifles Taken from Coast Fortifications and Mounted for Field Use in France 237
John M Browning, the Inventor of the Pistol, Rifle, and Machine Gun Which Bears His Name 242
The Browning Heavy Machine Gun 242
A Rifle Grenadier 243
Bombing Practice 288
Eggs of Death 288
Pigeons Have Been Repeatedly Used with Success from Both Airplanes and Balloons 289
The Eye in the Sky; an Airplane Camera in Operation 289
Radio Telephone Apparatus in Operation on an Airplane 300
President Wilson Talking with an Aviator in the Clouds by Means of the Radio Telephone 300
A Range-Finder for Ascertaining the Altitude and Speed of Airplanes 301
A Sentinel of the Skies 306
An American Observation Balloon Leaving Its “Bed” Behind the Western Front 307
A Balloon Company Manœuvring a Caquot from Winch Position to Its Bed 307
An American Kite Balloon About to Ascend 310
Planes in Battle Formation 311
A Basket Parachute Drop 316
Balloonist Making a Parachute Jump from an Altitude of 7,900 Feet 316
Training the Student Aviator 317
The American Whippet Tank 418
The Mark V Tank 418
A Squadron of Whippet Tanks Advancing in Battle Formation 419
A Squadron of Whippet Tanks Parked and Camouflaged to Conceal Them from Enemy Observation 419
Mobile Machine-Shop Operating in a Village Under Shell Fire 434
Supply of Motor Tires 434
A Motor-Car Wrecked Returning from the Front Lines 435
Field-Hospital 454
An Infectious Ward 454
Clear, Filtered, Disinfected Water 455
Water Station on the Western Front 455