Chapter II: Preface: 7

I. INTRODUCTORY 11

II. THE AIR 20

III. LAWS OF FLIGHT 37

IV. FLYING MACHINES 55

V. FLYING MACHINES: THE BIPLANE 78

VI. FLYING MACHINES: THE MONOPLANE 112

VII. FLYING MACHINES: OTHER FORMS 141

VIII. FLYING MACHINES: HOW TO OPERATE 151

IX. FLYING MACHINES: HOW TO BUILD 174

X. FLYING MACHINES: MOTORS 193

XI. MODEL FLYING MACHINES 215

XII. THE GLIDER 241

XIII. BALLOONS 257

XIV. BALLOONS: THE DIRIGIBLE 296

XV. BALLOONS: HOW TO OPERATE 340

XVI. BALLOONS: HOW TO MAKE 351

XVII. MILITARY AERONAUTICS 363

XVIII. BIOGRAPHIES OF PROMINENT AERONAUTS 379

XIX. CHRONICLE OF AVIATION ACHIEVEMENTS 407

XX. EXPLANATION OF AERONAUTICAL
TERMS 452

HOW IT FLIES