Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 48
Mr. Dudley, in the light of records covering thousands of milesof running, added fifteen pounds to a rail which had weighedsixty-five pounds, and gave it a height of five inches instead offour and one half, while he broadened its upper surface. At abound these changes increased the stiffness of the… … Photograph by F. M. Somers, Cincinnati, O. PLIMMON H. DUDLEYof New York. THE DUDLEY RAIL 15 eighty-four pounds to the yard and had a base of six and threeeighths inches, but a height of only four and one half inches. InJuly, 1884, the Dudley rail was laid in the Fourth Avenue via-duct, New York; so…
Inventions · Inventors
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