Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 327
Page 4 Section 8 Multiplex System 263-C C and C the added sockets. D and D are two test distributor plugs connected togetheras shown by a cable. This cable must, of course, be long enough to reach from one tableto the other. To interconnect the two tables the test distributor plugs are moved… … JI-T1PT-C.X OPERATING TABLt 4- Fig. 7 Page 5 Section 8 Multiplex System 263-C POSITION OF M3G,, CLIP
Telegraph
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