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Scientific American, Vol. 40, No. 5 (1879) (1879)
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con- versely, and in the grooves are fitted three bars of metal, crosshead by four piston rods, two above and two below, sists in constructing the sides or panels of the car in sec- either of which may be touched by the contact spring as the equidistant from the center of the crank shaft. tions so… … rangementof pis- stems is twice ton and valves. that of the throw © 1879 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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