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 640
ry in such a way as to gradually make it assumethe form of a tube, the beginning of which is seen at b. When the finished tube comes fromthe roller, as shown at 5, there remains a blank. B, hollowed out at b-, through the pressureof the cones. The cones are nearly always hollow helices with pitches…
Mechanical engineering
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