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 45
fore adverting to the methods by which thiscondition may be fulfilled, it will relieve us of some of the difficulties of the question to examine theordinary mode in which epicycloidal teeth are set out. As the workman cannot be expected to be inpossession of that accurate mathematical knowledge… … Having determined the pitch of the teeth and the radius of the pitch circle by the methods de-scribed, a thin slip of wood—say | thick—is provided, and on this an arc of the pitch circle is struck.The shp is then cut to the circumference of the circular arc described upon it. Another similar slip…
Gearing · Mills and mill-work · Odontograph
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