Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 118
. E. 204 Type Relay. 7 22368- -7 Printer 1-A Theory. 8, 9 22369- -1 Mechanical Start Unit Printer 1-A. 10 22370- -1 Printing Unit Printer 1-A. 11 22371- -1 Spacing and Carriage Return Printer 1-A. 12 22372- -1 Line Feed Unit Printer 1-A. 13 22373- -1 Shift Unit Printer 1-A. 14 22374- -7 Printer 1-A… … Page 1 Section 5 Multiplex System 263-C MULTIPLEX PRINTER 1-A 1. In the theoretical description of a possible multiplex system given in Section 1,the printing of the message was done by an ordinary typewriter, to which had beenattached a selecting unit and other auxiliary mechanism. 2. In actual…
Telegraph
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