Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 212
he pawls that it controlsto rest on the right hand ratchet. The ribbon spools rest on the upper ends of theirshafts and bevel gears are attached to the lower ends of these shafts. One bevel gear(not shown on Figure 10) is a part of the left hand ratchet and both revolve freely on theshort stud… … UJ _l O <n i5 <cr lj^w > <^D_UJ /c/}0_l / < Q_ — Page 14 Section 5-B Multiplex System 263-C bar will be moved back and forth, thereby operating the ribbon feed pawl lever (Fig. 5),the upper and lower feed pawls, the right hand ribbon feed ratchet and therefore theribbon spool on the…
Telegraph
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