TRATIONS

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Fighting by Sea and Sky _Frontispiece_
Painting by John E. Whiting

Dropping a Depth Bomb 4
Painting by Lieut. Farre

A Battle in Mid-air 8
Painting by Lieut. Farre

Victory in the Clouds 12
Painting by John E. Whiting

The Fall of the Boche 16
Painting by Lieut. Farre

Lana's Vacuum Balloon 18

Montgolfier's Experimental Balloon 21

A Rescue at Sea 24
Painting by Lieut. Farre

Montgolfier's Passenger Balloon 27

Charles's Balloon 31

A French Observation Balloon on Fire 32

Roberts Brothers' Dirigible 34

Giffard's Dirigible 37

A British Kite Balloon 40

British "Blimp" 40
Photographed from Above.

A Kite Balloon Rising from the Hold of a Ship 48

The Giant and the Pigmies 60
Painting by John E. Whiting

A French "Sausage" 64
Photo by Press Illustrating Co.

A British "Blimp" 64

The Death of a Zeppelin 72
Photo by Paul Thompson

A German Dirigible, Hansa Type 76

A Wrecked Zeppelin at Salonika 76
Photo by Press Illustrating Co.

British Aviators about to Ascend 80

Langley's Airplane 84

A French Airdrome near the Front 84

Lilienthal's Glider 86

A German War Zeppelin 88

French Observation Balloon Seeking Submarin