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 27
gs are retaiiie(l. hut during the time any given valve is open the sjjrjngs are pressedback by tile arms r/./^ and tiieir tendency to clo.^e the valves and cause chattering is thusobviated. This gear has the same advantage as the last in reducing the number of valves re-quired for a given area of… … SerReant compressor.
Mechanical engineering
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