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 464
strength of the generatorfield. All this is done by merely moving the handle of the controller.The controller is provided with a reversing handle to change thepolarity of the armature current in relation to the field current ofthe motors, and thus reverse the car. Substantial handles for sparkand…
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
