The Technical World Magazine, Volume 23Technical World Company, 1915 |
Contents
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acres aeroplane alfalfa alternating current American apparatus automobile battleship Belgium biplane Bldg blind boat building built bullet carry catalog cattalo cent Chicago coal COPYRIGHT COPYRIGHT-UNDERWOOD cost coupon CYCLOPEDIA David Starr Jordan device direct current dollars electric engine equipment experiments farm farmer feet fire five gasoline German give grenade guns horsepower hundred inches invention La Guayra land light loaded machine mechanism ment method miles motor operation Patent picture plant plate pounds practical Prize railroad railway river road saving Send ship speed steam steel Street tank TECHNICAL WORLD MAGAZINE telegraphy telephone tenant tests thousand tically tion tires tons train tube UNDERWOOD UNDERWOOD & UNDERWOOD United States Navy vacuum tube Washington wire wireless WORLD MAGAZINE Write York