Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 844
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 slip is then cut to the circumference of the circular arc described upon it. Another similar slip…
Mechanical engineering
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Artificial and natural flight [microform] (1908)](https://img.insideoutlibrary.com/img/200/ia-artificialnatura00maxirich-51-16.webp)
