CONTENTS

CHAPTERPAGE
[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