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 199
Fig. 77. Current Limit Relay Used by DenverRailway Company handle to be rotated one notch at a time only. In order to disengagethe pawl, the handle must be moved slightly backward on eachnotch. This operation delays the movement of the controller drumsufficiently to prevent the motorman from… … ELECTRIC RAILWAYS 75
Electrical engineering
Internet Archive Book Images · Northeastern University, Snell Library · No known copyright restrictions (public domain). Free to use for anything.
