Account of the Advantages of a Newly-Invented Machine Much Varied in Its Effects, and Very Useful for Determining the Perfect Proportion between Different Moveables Acting by Levers and Wheel and Pinion. By Mr. Le Cerf, Watch-Maker at Geneva; Communicated
Автор: L. Mahon, 49 стр., издатель: "Книга по Требованию", ISBN: 978-5-8819-3375-3| Под заказ: | ||||
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4 из 5, 5 голос(-ов).