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 41
n ; whereas in the former the teeth touch each other in a single point only, so thatduring the whole action the wear is confined to a mere line joining the BUCCessive points of tangency.Yet in light mechanism the facility of forming the teeth in the lathe may make it desirable to employthis form of…
Mechanical engineering -- Dictionaries
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