Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 75
pivoted feed rocker and sliding bar. This feed pawlengages a ten toothed ratchet wheel forming part of the feed wheel shaft. Each opera- Page 2 Section 3 Multiplex System 263-C tion of the magnet therefore causes the feed wheel to be rotated through an angle of 36degrees. This advances the tape… … SELECTING PIN B&R SPRING Fig. 2 7. Keeping in mind this description of the different parts of the instrument, let usfollow through the operation of the transmitter during one revolution of the distributorbrushes. Let us assume that the letter A combination is directly over the pins of…
Telegraph
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