Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 690
an improved form of car-spring,manufactured by the National Car-Spring Company of NewYork, for street-car use. The principle is the same asalready described in referring to the springs constructedfor steam-railroad cars. The load first comes upon the out-er spiral, and as it increases the… … 660 RAILROAD SIGNALS. John Stephenson Company: The lightest pattern car, with one or two platforms, with 10 seats (car-body 8 ft. long by 6 ft. wide), weighs from 2,000 to 2,600 lbs. Their capacity increases up to 22seats—cars wTthout top seats—and the dimensions up to 1(5 ft. of length and 6 to 1…
Mechanical engineering -- Dictionaries
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