Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 498
-^ if 2H Ih 5i 51 2f fi 8-ef4 . m G. T5 * Dimensions not giv^en in table are constant, and are to be taken from the standard sec-tion of a 70-pound rail. Fig. 1132 is a drawing of a standard 70-pound rail. tfli u … Figs. 1133, 1134, and 1135 are the front elevation, plan, and side elevationof a New York city cable conduit adapted to Loves electric traction, one halfof each, showing the construction of the hand holes h on each side at everythird yoke about 15 feet centres, the other half showing the…
Mechanical drawing
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