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 18
loidal face of the wheel-tooth will therefore either be a radius, or, as in the figure, GEARING. a Hue curving away from the radius D G ; and the pinion-tooth is also a face instead of a flank, asit lies without its pitch-circle. The sides of the clearing spaces in the wheel and the pinion may…
Mechanical engineering -- Dictionaries
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