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 13
jllalliil \r^m … of the follower; which agrees with the well-known fact that two perfectly smooth cylinders willmerely slip upon each other. Compulsory rotation then requires the addition of teeth to circularwheels ; and if in Jig. 2070 we also regard the circles drawn through / as the sections of pitch-cylinders,…
Mechanical engineering -- Dictionaries
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