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 536
_, <u a) en ^ -, Ct3 oj* C w Is ■SS.&a to —« jj ^^3 n? w.+J . to c8 c h p a? o o3 C p w .aJ w o c 5 §^£^Sir? o<+-i.S „/r75 11 B°E.S 1 &m « & ^ a toOXlP -J3 toS^T3 rt bS to E| &3 |.a -| 05 G q> 2- •saSslsgl .5.13 :&-§« Do*^ ro a> u *S1 a-rjio 03^^ g ^ Qj CD C.«- C 2… … Fig. 3,708.—Single catenary curve construction. In locating the bracket arms on poles andthe poles on curves, the effect of super-elevation and the lateral overhang of the cars orlocomotives must be allowed for, as well as the position of the current collector. Anchorspans should be placed at the…
Electrical engineering
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