Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 204
ready forthe next selection. 6. As the operating contact lever is raised, its lower contact opens the circuit of theoperating relay (Figs. 3 and 4) and consequently the circuit of the operating magnet,thereby allowing the operating lever to return to its original position. As the latterreturns, the… … Page 6 Section 5-B Multiplex System 263-C with the hook of the pull bar, will throw the type bar against the ribbon and paper andagainst the platen, causing the selected character to be printed. When the operatinglever again reaches its stop screw the sudden stop causes the pull bar to overthrow…
Telegraph
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