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Specifications for the multiplex printing telegraph system : theory and operation (1920)

Western Union Telegraph Company · [New York?] : The Company · leaf 311

An illustration from Specifications for the multiplex printing telegraph system : theory and operation, 1920, leaf 311 — Page 26 Section 7 Multiplex System 263-C … ADDEDFUSES. z a)\£ J> I 41 ^2 25 _Q o b o o INNER CONNECT-ING BL0CK*7-B I L^-nzzD Ob I^^SJ )«OHH P=?

Telegraph

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