Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 196
ftHEOSTAT _p.P.S.T.SWITCH … Fig. 2. An approved installation in every detail; wiring connections for shunt-wound bipolar motor, using circuit breaker instead of double-pole fuse cut-out. ing would be of little use, as it is not relied on for pole insulation,and is not needed for other purposes, because the permanentinsulation…
Electrical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
