The Technical World Magazine, Volume 6

acres alternating current apparatus automobile boiler bridge brine building built canal carried cent Chicago Chicago river coal Company concrete connected construction cost cylinder deposits dihedral angles electric elevated engine factory feet floor forest freight furnace galalith gasoline gold grade grainer heat horsepower hour inches invention iron Island Lake land light load Loeb machine manufacture means ment metal method miles motor Nernst lamps Ohio river operation ostrich Panama hat pass peat piece pipe plant pounds pressure produced pump rail railroad railway revolutions per minute river road rock salt sand shaft ship shows side speed steam turbine steamer steel stone street surface tank TECHNICAL WORLD MAGAZINE telegraphone telephone thermopile tion tobacco tons tracks train tube vessel weight wheel wire women WORLD MAGAZINE