pdf 24 - Railway Train Dispatching Telephone Systems - Maintenance - 1924 OCR Popular
By Paul F 1918 downloads
24_WE_RailwayTrainDispatchingTelSys_Maint_T730_ocr.pdf
3MB. 1924. 21 pages. T-730-2. Western Electric. Maintenance of Western Electric Calling Apparatus used in conjunction with Railway Train Dispatching Telephone Systems. See Instruction Bulletin 672. Contributed by Jeff Seidel. OCR / Size reduction by Clint Gilliland.
Keywords: 60-A; selector; 122-EW; 26-A; retardation; relay; ringer; condensers; 5-AD; 60-B; 160-A; 51-F; 60-C; D-14386; 127-J; extension; 70-A; 58-D; D.C.; rectifier; dry cells; F-11; 295 AJ; 295 AK; retard; 501-A; 501-B; 502-A; 12-A; telegraph; way station; 26-A; protector; 61-A; code; repeating; coil
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