  | PAGE | | THE DELIGHTS AND DANGERS OF FLYING.— Dangers of Aviation.—What it is Like to Fly | 1 | | SOARING FLIGHT BY MAN.— What Holds it Up? — Lifting Power.—Why so Many Sails?—Steering | 17 | | TURNING CORNERS.—What Happens when Making a Turn.—Lateral Stability.— Wing Warping.—Automatic Control.—The Gyroscope.—Wind Gusts | 33 | | AIR AND THE WIND.—Sailing Balloons.—Field and Speed | 43 | | GAS AND BALLAST.—Buoyancy in Air.—Ascending and Descending.—The Ballonet.—The Equilibrator | 57 | | DIRIGIBLE BALLOONS AND OTHER KINDS.— Shapes.—Dimensions.—Fabrics.—Framing.— Keeping the Keel Horizontal.—Stability.—Rudders and Planes.— Arrangement and Accessories.—Amateur Dirigibles.— The Fort Omaha Plant.—Balloon Progress | 71 | | THE QUESTION OF POWER.— Resistance of Aeroplanes.—Resistance of Dirigibles.— Independent Speed and Time-Table.—The Cost of Speed.—The Propeller | 101 | | GETTING UP AND DOWN; MODELS AND GLIDERS; AEROPLANE DETAILS.—Launching.—Descending.—Gliders.— Models.—Balancing.—Weights.—Miscellaneous.—Things to Look After | 121 | | SOME AEROPLANES.—SOME ACCOMPLISHMENTS | 143 | | THE POSSIBILITIES IN AVIATION.— The Case of the Dirigible.—The Orthopter.— The Helicopter.—Composite Types.—What is Promised | 170 | | AERIAL WARFARE | 189 | [Pg xii]
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