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 93
the drops on the new switchboard be not ofthe bridging type, the line by line method described above must be used. In many casesit is well to put in a new cable from the office pole to the distributing frame as it is to makethe splice within the building in case the old switchboard is in the same… … 8iM^ ,d P, CX+^d £ *- .«*» ^ 5brt« « 0)13 g-ga .bog s - ^ | g o-S co*d CD d >>d-^ .. i>* •a ccu d ,d cc] ° >rg o ^ d-P w§§ r: ^ -m CJ _d >>co CO .—I w 2^T) a.^s S-a-& ««£ •£ bflOd d o<u.d .d d cjd* 3 o 6*3,2 — C^ * gcd cucu <u,d o^^.S a > 8 a OT CO o3 CTJ 0) <u…
Electrical engineering
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