LIST OF ILLUSTRATIONS

[Wilbur Wright]Frontispiece
FACING PAGE
[The First Wright Aeroplane]4
[The First Wright Glider]5
[The Second Wright Glider]5
[A Long Glide]5
[Motor of the Wright Biplane]12
[A 16-Cylinder, 100-Horsepower Antoinette Motor]12
[An 8-Cylinder, 50-Horsepower Curtiss Motor]12
[Standard Gnome Aeroplane Motor]13
[A 14-Cylinder, 100-Horsepower Gnome Motor]13
[Testing a Gnome Motor on a Gun Carriage]13
[Model Aeroplane Fliers]16
[A Modern College Man's Glider]17
[Otto Lilienthal Making a Flight in His Glider]17
[The Chanute Type Glider]32
[The Herring Glider]32
[An Early Helicopter]32
[Prof. Samuel Pierpont Langley]33
[Sir Hiram Maxim]33
[Octave Chanute]33
[Langley's Steam Model]36
[The Maxim Aeroplane]36
[Medals Won by the Wright Brothers]37
[The First Santos-Dumont Aeroplane]44
[The Cross-Channel Type Blériot Monoplane]44
[A Voisin Biplane]44
[Glenn Curtiss About to Make a Flight]45
[Henri Farman Starting Aloft
with Two Passengers]		45
[Louis Blériot]45
[Glenn Curtiss Making a Flight in the
June Bug]		52
[Orville Wright Making a Flight at Fort Myer]52
[The First Letter Ever Written Aboard an
Aeroplane in Flight]		53
[The Goddess of Liberty]60
[First Actual War Expedition of an Aeroplane]61
[War Manœuvres]61
[Harry N. Atwood Arriving at Chicago]64
[Finish of Atwood's St. Louis to
New York Flight]		64
[Starting with the Aeroplane Mail]65
[Chavez on His Fatal Flight Across the Alps]80
[The Late Calbraith P. Rodgers,
Trans-Continental Flier]		81
[The World's Longest Glide]96
[The End of a Glide]96
[Landing on a Warship]97
[Boarding a Battleship]97
[The Flying Boat Starting]112
[The Curtiss Flying Boat]112
[Glenn Curtiss Allowing His Hydro-Aeroplane to
Float on the Water After Alighting]		112
[Hydro-Aeroplanes at Monte Carlo]113
[The Wright Biplane]116
[Standard Curtiss Biplane]117
[Curtiss Steering Gear]117
[Standard Farman Biplane]120
[Farman with Enclosed Nose]120
[A Modern Blériot]121
[A Standard Blériot]121
[Passenger-Carrying Blériot]121
[The Antoinette Monoplane]124
[The Nieuport Monoplane]125
[Like a Bolt of Lightning]136
[Dr. Nikola Tesla]137
[Doctor Tesla's First Power Plant]137
[Electricity Enough to Kill an Army]164
[A Battle Scene in the Studio]165
[The Men Who Gave the World Motion Pictures]172
[The Motion-Picture Projector]173
[A Section of Motion-Picture Film]176
[Making a Motion-Picture Play in the Studio]177
[A Motion-Picture Studio]192
[A Realistic Film of Washington Crossing the
Delaware]		193
[The Corsican Brothers—A Famous Trick Film]200
[The Guillotine]201
[A Romance of the Ice Fields]216
[The Spanish Cavalier]216
[All Ready for a Thermit Weld]217
[Thermit in Eruption]224
[Dr. Hans Goldschmidt]225
[Thermit Weld on Sternframe of a Steamship]240
[A Large Shaft Welded by the Thermit Process]240
[Cutting Up the Old Battleship Maine]241
[Cutting Away the Decks]241
[An Oxy-Acetylene Gas Torch Weld]260
[Tiny 200-Horsepower Turbine]261
[The Tesla Turbine Pump]261
[The Marvellous Tesla Turbine]280
[Thomas A. Edison and His Concrete Furniture]281
[Model of Edison Poured Concrete House]281
[What One Set of Boys Did with Concrete]288
[Massive Concrete Work]289
[A Level Stretch of Catskill Aqueduct]289
[Huge Concrete Moulds at Panama]304
[Concrete Locks on the Panama Canal]305
[The World-Wide Use of Concrete]308
[The Catskill Aqueduct]309
[The Aqueduct Deep Under Ground]309
[The Silent Knight Motor]316
[A Portable Army Wireless Outfit]317
[The Wireless in the Navy]317
[The Navy Wireless School]344
[An Amateur Wireless Outfit]345

LIST OF DIAGRAMS

[A Simple Model Aeroplane]120
[Diagram of the Earth]147
[A Motion-picture Camera]177
[A Motion-picture Printing Machine] 184
[Diagram of the Tesla Turbine]275
[The Curtiss Turbine]285
[Marconi Transmitter Layout]342
[Marconi Detector Layout]344
[The Pulmotor]372

THE BOY'S BOOK OF NEW INVENTIONS

CHAPTER I
THE AEROPLANE

HOW A SCIENTIST WHO LIKED BOYS AND A BOY WHO LIKED SCIENCE FOLLOWED THE FASCINATING STORY OF THE INVENTION OF THE AEROPLANE.