Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 837
}d It is however to be observed, that these curves, to be applicable in practice, imply the condition thatthe curvature of the concavity of one tooth should be greater than the convexity of the other, or elsethat both should be convex The practical solution may be conducted in the following simple…
Mechanical engineering
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