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 509
Figs. 3,664 to 3,666.—Center and side bearings. Fig. 3,664 center bearing for city and inter-urban service; fig. 3,665, side bearing with 9 inch travel; fig. 3,666, side bearing with12 inch travel for interurban cars operating on short curves. The center and side bear-ings of a truck form the…
Electrical engineering
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