Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 80
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… … Fig. 9 13. Manual Stop Latch. The latch of the manual stop and start mechanism is ar-ranged to hook over the extension on the armature when the magnet is energized andthe armature drawn down against the pole pieces. The upper edge of the slot in thelatch shall be adjusted to pass over the hook on…
Telegraph
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