WITH TWENTY-FIVE ILLUSTRATIONS

LONDON
SEELEY AND CO. LIMITED
38 GREAT RUSSELL STREET
1907


[Preface]

The object of this book is to set before young people in a bright and interesting way, and without the use of technical language, accounts of some of the latest phases of modern invention; and also to introduce them to recent discoveries of which the full development is yet to be witnessed.

The author gratefully acknowledges the help given him as regards both literary matter and illustrations by:—Mr. Cuthbert Hall (the Marconi Wireless Telegraphy Co.); Mr. William Sugg; Mr. Hans Knudsen; Mr. F. C. B. Cole; Mr. E. J. Ryves; Mr. Anton Pollak; the Telautograph Co.; the Parsons Steam Turbine Co.; the Monotype Co.; the Biograph Co.; the Locomobile Co.; the Speedwell Motor Co.

September 1902.


Contents

Page
[Wireless Telegraphy]7
[High-speed Telegraphy]28
[The Telephone—wireless Telephony]39
[The Phonograph—the Rotographophone—The Telephonograph]54
[The Telautograph]72
[Modern Artillery—Rifles—Machine guns—Heavy Ordnance—Exploxives—In the Gun Factory]83
[Dirigible Torpedoes]126
[Submarine Boats]143
[Animated Pictures]166
[The Great Paris Telescope]183
[Photographing the Invisible—Photography in the Dark]194
[Solar Motors]207
[Liquid Air]213
[Horseless Carriages]224
[High-Speed Railways]258
[Sea Expresses]272
[Mechanical Flight]284
[Type-setting by Machinery]306
[Photography in Colours]317
[Lighting]330