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 535
assenger traffic. Ans. The trolley wire has to support its own weight, only,in the short spans between the hangers. Accordingly, it can be selected with regard to its electrical carryingcapacity and regardless of its tensile strength; but in order to keep thedeflection in these spans at a minimum,… … _, <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…
Electrical engineering
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