The Technical World Magazine, Volume 22

acre Advertising AMERICAN TECHNICAL Auto automobile Bldg boat bridge building built carried catalog cents Chicago color Company COPYRIGHT cost coupon course crop CYCLOPEDIA Dept dred electric engine experience farm farmer feet fifty fire five Flying Eagle Cents four gasoline German give guns Harold Bell Wright horse hundred ice yacht inches International Encyclopędia invention inventor land Lassen Peak light machine manufacturers mechanical ment method miles million month motor Ohio operation outfit Patent Patent Attorneys plant plate pounds practical prizes profit railroad River sample sand sell Send sent ship SONG POEMS stamp steam steel Street submarine TECHNICAL WORLD MAGAZINE telegraphy telephone tion tires train U. S. Patent Office UNDERWOOD UNDERWOOD & UNDERWOOD United Washington wheel wire Write today York