6Chapter 4: The Middle Nineteenth Century
29Chapter 4: The War Period
7Chapter 5: Wenham, Le Bris, And Some Others
30Part 3: Aerostatics
8Chapter 6: The Age Of The Giants
31Chapter 1: Beginnings
9Chapter 7: Lilienthal And Pilcher
32Chapter 2: The First Dirigibles
10Chapter 8: American Gliding Experiments
33Chapter 3: Santos-Dumont
11Chapter 9: Not Proven
34Chapter 4: The Military Dirigible
12Chapter 10: Samuel Pierpoint Langley
35Chapter 5: British Airship Design
13Chapter 11: The Wright Brothers
36Chapter 6: The Airship Commercially
14Chapter 12: The First Years Of Conquest
37Chapter 7: Kite Balloons
15Chapter 13: First Fliers In England
38Part 4: Engine Development
16Chapter 14: Rheims, And After
39Chapter 1: The Vertical Type
17Chapter 15: The Channel Crossing
40Chapter 2: The Vee Type
18Chapter 16: London To Manchester
41Chapter 3: The Radial Type
19Chapter 17: A Summary, To 1911
42Chapter 4: The Rotary Type
20Chapter 18: A Summary, To 1914
43Chapter 5: The Horizontally-Opposed Engine
21Chapter 19: The War Period—1
44Chapter 6: The Two-Stroke Cycle Engine
22Chapter 20: The War Period—2
45Chapter 7: Engines Of The War Period
23Chapter 21: Reconstruction