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 19
In Fig. 2007 the apices of the two cones meet in a point, so that one of them becomes a plane sur-face ; its teeth therefore become radial as referred to its apex; in other words, they diverge in themanner of radii, drawn from the centre a. The change in the direction of the motion is in this…
Gearing · Mills and mill-work · Odontograph
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