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 15
kness \ acss. the length from the pitch line to the point, and twice this is the working depth ; thewidth of space is A h, and their lateral clearance is A S — Qh, and the bottom clearance a C — 2 a c. The same scale may be used in finding the proportions of parts in making out reduced drawings… … GEERING. then in a line drawn parallel to A D, and passing through the points in which the compasses meet theconverging lines, will be found all the other required dunensions in accordance with that scale. Fig. 1989 shows the method of finding the shape and position of the teeth, by the application…
Gearing · Mills and mill-work · Odontograph
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