A Treatise on the Teeth of Wheels


C.E.L. Camus

First published in the 1750s as part of his Cours de mathematique, this study of epicycloid gearing and the design of trains was one of the most significant advances in horology and mill work.

In 1806 it was translated into English by J.I. Hawkins and then reprinted in 1837 and 1868. The second edition, available here, has an extensive appendix which includes a survey of contemporary watchmakers undertaken to see who, if anyone, made timepieces with correctly formed gear teeth.

This copy of the book is based on the copy made available by Google Books (see Google Books copy of Camus). However, there are three important changes:

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