Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 246
and above it. 34. The type slugs at the end of the type bars carry two characters. Those nearestto the type bar fulcrum rod are letters of the alphabet. The remaining, or upper case,characters comprise the numerals, punctuation marks, etc. In order to print them itis necessary to first raise or… … 35. The operation of shifting the carriage is initiated by the operating of selectingmagnets 1, 2, 4 and 5. Following this the shift pull bar (Fig. 10) is dropped into theprepared slot in the selector bars. This action removes the support for the shift con-tact spring and allows the shift contact…
Telegraph
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