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 29
for instance, as will contain the pitch any convenient number of times, set off on each circle in thedevelopment from the point of contact an arc equal in length to this rectification, by the processesalready described, and divide each of these arcs into the same number of equal parts, to obtain…
Mechanical engineering -- Dictionaries
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