Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 301
i- vYyvYy r8 t !!ik yyyyyy y yyy VTttV it rt w 1*1 t*i_i*i_i*i_i*t_H<_f*i-c*t_rii_t«l_i*l-H»->*i-rHr*ir*ir*ir^ … Page 19 Section 7 Multiplex System 263-C 1 to 5 were strapped to 6 to 10 inclusive because on the three channel head only 15 segmentsare used. In the two channel head the segments are used in pairs so that electrically,there are only ten segments. To serve the same purpose as the straps used with…
Telegraph
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