6Wing Warping
27Resistance of Aeroplanes
7Automatic Control
28Resistance of Dirigibles
8The Gyroscope
29Independent Speed and Time Table
9Wind Gusts
30The Cost of Speed
10Sailing Balloons
31The Propeller
11Field and Speed
32Launching
12Buoyancy in Air
33Descending
13Ascending and Descending
34Gliders
14The Ballonet
35Models
15The Equilibrator
36Some Details: Balancing
16Shapes
37Weights
17Dimensions
38Miscellaneous
18Fabrics
39The Things to Look After
19Framing
40SOME AEROPLANES—SOME ACCOMPLISHMENTS
20Keeping the Keel Horizontal
41The Case of the Dirigible
21Stability
42Transcriber's Note