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Scientific American, Vol. 57, No. 17 (1887) (1887)
leaf 7
the traffic at do away with horses, you save in length about twelve all if we employ horses. The elevated railroads, it ap- in. diameter, with a stroke of 2 ft. 9in. The piston feet, and in width, of course, the width of the track. valves are worked on Marshall’s system, which adunits Now, it would… … © 1887 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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