Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 288
g assembled, are reamedto the proper size to receive the rivets without the use of drift pins. The bridge motoris bolted in a horizontal position to a heavy structural steel bracket, riveted to the girderadjacent to one set of vertical angles> and diaphragm plates connecting the web… … Fig. 4,218.—Niles crane construction: Bridge drive for dox section girders. The web platesof the box section girders are reinforced by heavy stiffening angles, placed near the bridgedrive motor and are connected by diaphragms, preventing distortion of tjie girders by motoror gears. m The bridge…
Electrical engineering
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