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 270
lanced system. Safety devices are provided in case the cable breaks. Courtesy of Otis Elevator Company ELEVATORS 185 140 is shown a controller in its usual position near the engine; Figs. 141 and 142 show wiring diagrams for a.c. and d.c. current. The manipulation of the automatic push-button… … VlLl 140. Automatic Push-Buttoii Controller and MachineCourtesy of Kaesincr and Ilecht Company operator is waiting and stops there. The door may now be opened,and after stepping inside the cab and closing the door, the operatorselects from a bank of buttons inside the cab the one marked withthe…
Electrical engineering
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