Peaks of Invention |
Contents
THE SUBMARINE CABLE | 3 |
OCEAN CABLE IS MADE LIKE THIS | 6 |
II | 17 |
Copyright | |
16 other sections not shown
Common terms and phrases
acid a๋rial America apparatus astronomer batteries beam Bell boat building built cable chemists coal coal-tar coil Company construction Courtesy cylinder device diameter Diesel engine disk distance driving electric locomotive electric motors energy equipped experiments eyepiece feet fuel giant glass Glenn Curtiss guncotton Hooker telescope Horatio Allen horse-power hundred inch increased instrument invented inventor Josephine Ford knots known lamp lens lenses light rays lighthouse locomotive machine means messages miles an hour mirror mirror galvanometer modern Mount Wilson Observatory mounted nearly nitric acid nitrocellulose observatory ocean operation ordinary passed perfect permalloy photo-electric cell plane plate possible pounds pressure propeller radio waves railroads revolving rock rotors sending ship signals speed star stations steam steam-engine submarine submerged superpower surface switchboard tele telephone telescope tion tons tower train transmission transmitting turbine vacuum tube vessel vibrations wave-length weight wire York