A short treatise on the designing and construction of gearing and mill-work. Accompanied by an explanation of the construction and use of the odontograph of Prof. Willis .. (1873)
[Scott, David] engineer. [from old catalog] · New York, D. Appleton and company · leaf 60
these conditions, it is clear that if the rotative motion of the cone m- A c be communicatedby teeth to the cone c A r by their contact action, the teeth being generated by the describing cone a A c,the motion will be the same as that produced by the rolling contact of the conical surfaces, for at… … In practice the portion of spherical surfaces occupied by these arcs, when employed as teeth, arenarrow belts of the cones extending only a small distance within the circle of the bases, and thereforecones tangent to the sphere along c m and c r may be substituted for the sphere itself…
Gearing · Mills and mill-work · Odontograph
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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