Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 860
Fig. 9.—Westinghouse pneumatic signal system.of the shaft as it turns. As the machine runs down and this nut travels outward, the 830 SWITCHES AND SIGNALS, RAILROAD. rubber pin in the nut approaches the point of contact between two springs through wliichthe current controlling the magnet of the…
Mechanical engineering
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