Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 162
ain break armature just before the type-wheel hits the platen. The operation of this armature opens the mechanical mainbreak contacts which act as a common return for all relays. This action restores to theirnormal unoperated position all relays previously locked up (Fig. 14). 22. Mounted below the… … ST£IK£l? SOLCNO/O /=LUMG£/Z Fig. 13 pawl, which are held by springs against the faces of the two racks. One of the racks isstationary but the other rack can be moved to the right or left within certain limits bymeans of the spacer lever (Fig. 15). 23. At the same time the striker magnet is…
Telegraph
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