pdf Railway Train Dispatching Telephone Systems 1934 [LARGE FILE] Popular

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WE_1934_RailwayTrainDispatchingTelSys.pdf

Railway Train Dispatching Telephone Systems 1934 [LARGE FILE]

49MB. 121 pages. 1934. T-1148. Western Electric. Description of system, and products. Selector Calling Equipment, Selector Keys, Way station selector equipment, telephones, desk set boxes, 100E loud speaker set, foot switches, maintenance tests, parts. Contributed by Jeff Seidel.

Keywords: 60AP; dispatcher; 60B; 61A; 61B; 62A; 62B 60A; 60C; 60D; 60E; 502A; 345A; receiver; 386; 189; 12A; 6052A; 6040A; 579A; 147AC; 6017B; 60A; dry cells; 299F; 160C; 160R; 60BP; 127J; 60BP; 501A; 501B; 1142AB; 1120C; 11; 1293BC; 1317BU; 1317DU; 1336F; 1336H; 1148DA; 1148DB; 1148DC; 501B; 1330E; 1330F; 1331E; 1332A; protector; subscriber set; fuses; D.C.; A.C.; amplifier; transformer; repeating coil; condenser; simplex; phantom; bell; binding post; terminal; circuit; bridging; connecting blocks; cords; 1042AB; 1020AL; desk set; generator; 1001C; 1004B; 1010A; interrupter; jack; plug; rectifier; ringer; selective; 1048DD; scissor arm

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