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 47
move always in the direction ofthe arrows, then, instead of the teeth being formed symmet-rically, the back of each tooth may be filled up, either bystriking the curves by a very small generating circle, or bet-ter by involutes, which being proportional to the pitch circleswill be sure to clear… … GEERING. 39 Ileturning now to the condition often required, though seldom fulfilled in practice, of making wheelaof different numbers, when of the same pitch, to work correctly together, it is clear from what has beenadvanced in connection with the preceding mode of setting out, that it is not…
Gearing · Mills and mill-work · Odontograph
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