Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 854
4027. S … centrifugal action of the grooves E E, and distributed over the wearing surfaces ; while the convexi-ty of the loose piece B enables it to present a perfect bearing to the fixed disk A, and its square sec-tion prevents it from turning. If the velocity of the shaft be not excessive, and the pressure…
Mechanical engineering -- Dictionaries
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