e Aeronautical Society of Great
Britain; to Messrs. C. G. Spencer & Sons, Highbury; The Sopwith Aviation
Company, Ltd.; Messrs. A. V. Roe & Co., Ltd.; The Gnome Engine Company;
The Green Engine Company; Mr. A. G. Gross (Geographia, Ltd.); and M.
Bleriot; for an exposition of the internal-combustion engine I have
drawn on Mr. Horne's The Age of Machinery.

PART I. BALLOONS AND AIR-SHIPS

I. MAN'S DUEL WITH NATURE
II. THE FRENCH PAPER-MAKER WHO INVENTED THE BALLOON
III. THE FIRST MAN TO ASCEND IN A BALLOON
IV. THE FIRST BALLOON ASCENT IN ENGLAND
V. THE FATHER OF BRITISH AERONAUTS
VI. THE PARACHUTE
VII. SOME BRITISH INVENTORS OF AIR-SHIPS
VIII. THE FIRST ATTEMPTS TO STEER A BALLOON
IX. THE STRANGE CAREER OF COUNT ZEPPELIN
X. A ZEPPELIN AIR-SHIP AND ITS CONSTRUCTION
XI. THE SEMI-RIGID AIR-SHIP
XII. A NON-RIGID BALLOON
XIII. THE ZEPPELIN AND GOTHA RAIDS

PART II. AEROPLANES AND AIRMEN

XIV. EARLY ATTEMPTS IN AVIATION
XV. A PIONEER IN AVIATION
XVI. THE "HUMAN BIRDS"
XVII. THE AEROPLANE AND THE BIRD
XVIII. A GREAT BRITISH INVENTOR OF AEROPLANES
XIX. THE WRIGHT BROTHERS AND THEIR SECRET EXPERIMENTS
XX. THE INTERNAL-COMBUSTION ENGINE
XXI. THE INTERNAL-COMBUSTION ENGINE (Con't.)
XXII. THE AEROPLANE ENGINE
XXIII. A FAMOUS BRITISH INVENTOR OF AVIATION ENGINES
XXIV. THE WRIGHT BIPLANE (CAMBER OF PLANES)
XXV. THE WRIGHT BIPLANE (Cont.)
XXVI. HOW THE WRIGHTS LAUNCHED THEIR BIPLANE
XXVII. THE FIRST MAN TO FLY IN EUROPE
XXVIII. M. BLARIOT AND THE MONOPLANE
XXIX. HENRI FARMAN AND THE VOISIN BIPLANE
XXX. A FAMOUS BRITISH INVENTOR
XXXI. THE ROMANCE OF A COWBOY AERONAUT
XXXII. THREE HISTORIC FLIGHTS
XXXIII. THREE HISTORIC FLIGHTS (Cont.)
XXXIV. THE HYDROPLANE AND AIR-BOAT
XXXV. A FAMOUS BRITISH INVENTOR OF THE WATER-PLANE
XXXVI. SEA-PLANES FOR WARFARE
XXXVII. THE FIRST MAN TO FLY IN BRITAIN
XXXVIII.THE R.F.C. AND R.N.A.S.
XXXIX. AEROPLANES IN THE GREAT WAR
XL. THE ATMOSPHERE AND THE BAROMETER
XLI. HOW AN AIRMAN KNOWS WHAT HEIGHT HE REACHES
XLII. HOW AN AIRMAN FINDS HIS WAY
XLIII. THE FIRST AIRMAN TO FLY UPSIDE DOWN
XLIV. THE FIRST ENGLISHMAN TO FLY UPSIDE DOWN
XLV. ACCIDENTS AN