Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 66
the brushes just touching the guide lines on the jig. The thumbscrewsshall be tightened only with the fingers. 7. Brush Holder Bearing. The brush holder bearing shall be placed on the dis- tributor shaft as shown in Figure 26. The distance from the face plate to the shoulderof the brush holder… … Fig. 25 FACE PLATE
Telegraph
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