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 24
e common point c, limits what is called the pitch line or circle ; that is, a circle de-Bcribed from the centre A, and another from the centre B, through the same point, are called, the first,the pitch circle or pitch line of the pinion, and the other of the wheel. They are also sometimes calledthe… … 16 GEERING. One of these arcs, as that intercepted hj ppm Fig. 2018, comprehends a complete tooth and space,meaning bj space the hollow opening between two contiguous teeth. ^ W
Gearing · Mills and mill-work · Odontograph
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