pdf WE Bulletin T206 Composite Telephone & Telegraph System For Railway Service - 1917 Popular
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WE_Bulletin_T206_Composite_Telephone_Telegraph_System_for_Railway_Service_1917.pdf
52 pages. 1917. Also marked T-592 on back cover. Includes cuts of 1312A Fiddleback, 1C Howler, 1314A telephone set, 1317S telephone set, components, station apparatus lists, arrangement diagrams and maintenance info. Contributed by Steve Cichorsky.
Keywords: telephonic; telegraph; 58B protector; line pole; retardation; condenser; resistance; howler; interrupter; ground
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