Chapter V. FLYING MACHINES: THE BIPLANE. Chapter VI. FLYING MACHINES: THE MONOPLANE. Chapter VII. FLYING MACHINES: OTHER FORMS. Chapter VIII. FLYING MACHINES: HOW TO OPERATE. Chapter IX. FLYING MACHINES: HOW TO BUILD. Chapter X. FLYING MACHINES: MOTORS. Chapter XI. MODEL FLYING MACHINES. Chapter XIV. BALLOONS: THE DIRIGIBLE. Chapter XV. BALLOONS: HOW TO OPERATE. Chapter XVI. BALLOONS: HOW TO MAKE. Chapter XVII. MILITARY AERONAUTICS. Chapter XVIII. BIOGRAPHIES OF PROMINENT AERONAUTS. Chapter XIX. CHRONICLE OF AVIATION ACHIEVEMENTS. Chapter XX. EXPLANATION OF AERONAUTICAL TERMS. How It Flies |