Scientific American

amount aniline apparatus army automobile axle battery boat brake Broadway building carried cent City coal Company connection construction cost cylinder definite device drive electric engine Entente equipment feet field figures find finished fire firm first five fleet force gasoline gear German heat illustrated inches industry interesting invention provides invention relates Jeffery Quad lamp light Lincoln Highway machine magneto manufacture material means mechanism ment metal method miles military Motor Car motor truck Munn National naval Navy nitric acid object operation patent piston plant position potash pounds practical preparedness present Price produced pump radium result rifle road scientific SCIENTIFIC AMERICAN ship speed station steel submarine supply tion tire tool trade tube United valve vehicle wheel wire wireless worm gear York York City zacaton