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 35
move into anyother position abc, driving the pin to b, the arc Ta will be equal to Tb, and the path described by thepin in its motion will be that indicated by a b. But the arcs T a and T b are also those described by thetwo pitch circles respectively in moving from T to the second position, and… … A further illustration of the same principle is afforded by Fig. 2025, in which A and B are centres ofmotion as before, and T the point of contact of the pitch circles of the wheels. In this case let. thecurve ibche described by a point b fixed in the circumference of a circle T b B, haying for its…
Gearing · Mills and mill-work · Odontograph
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