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 127
ding to a slight degree—just enough to break the force of a sudden shock. Theypress dosvn upon the springs, causing the openings between the cushions and springs to close,according to tlie amount of pressure, thereby virtually shortening the springs, and thus regu-lating their stiffness to agree…
Mechanical engineering
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