- 1Preface
- 2The Conquest of the Air
- 3Chapter II — The Earliest Flying Men
- 4Chapter III — The Services of Santos-Dumont
- 5Chapter IV — The Count von Zeppelin
- 6Chapter V — The Development of the Airplane
- 7Chapter VI — The Training of the Aviator
- 8Chapter VII — Some Methods of the War in the Air
- 9Chapter VIII — Incidents of the War in the Air
- 10Chapter IX — The United States at War
- 11Chapter X — Some Features of Aërial Warfare
- 12The Submarine Boat
- 13Chapter XII — The Coming of Steam and Electricity
- 14Chapter XIII — John P. Holland and Simon Lake
- 15Chapter XIV — The Modern Submarine
- 16Chapter XV — Aboard a Submarine
- 17Chapter XVI — Submarine Warfare
- 18Chapter XVII — The Future of the Submarine
- 19A Selection From the Catalogue of G. P. Putnam’s Sons
Aircraft and Submarines
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