Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 373
Fig. 45. Resistance Coils Showing Non-inductive Winding … Fig. 46. Dial Bridge Box Illustrating Dial Type of Resistance BoxCourtesy of Leeds and Northrup Company, Philadelphia inserted in the circuit; if G is also withdrawn, then coils A and Bwill both be inserted, as the current cannot pass from C to E with-out going through the coils. Resistance boxes…
Electrical engineering
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