Machinery and processes of the industrial arts, and apparatus of the exact sciences (1869)
Barnard, Frederick A. P. (Frederick Augustus Porter), 1809-1889 · Washington, Govt. print. off. · leaf 233
, by applying to thecrank a force of fifteen kilograms, or about thirty-two pounds, can exerta pressure of nearly fifty tons on the entire surface of the body com-pressed. This press, for its neatness, compactness, and strength, isworthy of high commendation. samains knee-joint press. One other… … Samains Knee-joint Press. press is recommended by several advantages. It acts spontaneously toincrease the intensity of the pressure, when by the reduction of vol 217 nine of the mass compressed the resistance becomes greater 5 and as thelimit of the movement is approached, the ratio of the power…
Machinery · Scientific apparatus and instruments
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