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 438
atisfactory. Koehler System. An installation according to the KoehlerSystem has been recently put in operation in Bremen, Germany,and shows some interesting features. Fig. 12. 392 TRACKLESS TROLLEY TRACTION 13 Trolley Wires. The essential difference between this systemand others lies in the… … Fig. 13. Details of Trolley Suspension and Current Collector of the Koehler SystemCourtesy of Engineering News Current-Collecting Device. It is obvious that the collector mustbe of entirely different construction from that in any other systemon account of this different arrangement of the wires.…
Electrical engineering
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