Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 78
al defects, and a thin film of oil applied to all bearing surfaces. 2. Feed Wheel Position. The horizontal distance from the center of the feed wheelpins to the center of the selecting pins shall be .287 inch. To measure this distance thetransmitter gauge, tool No. 162, shall be used, as shown in… … 3. Jockey Roller Spring. The tension of the jockey roller spring shall be 100 grams, measured as.shown in Figure 6.
Telegraph
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