Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 79
n of the armatureretractile spring shall be sufficient to just pull the armature firmly against the stopscrew when the armature is released slowly by hand. 11. Tongue Pressure Against the Spacing Contacts. Lock the feed magnet by meansof the stop latch in its stop position. Raise the tape latch and… … Fig. 8 Page 3 Section 3 Adjustments Multiplex System 263-C 12. Tongue Pressure Against the Marking Contacts. Release the stop latch andallow the tongues to come to rest on their marking contacts. Now use the scale in thesame way as before and adjust each selecting pin bar spring by means of its…
Telegraph
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