George W Burley eBooks
eBooks di George W Burley
Spiral Gearing: Calculation and Design, Herring-Bone Gearing, Gear Hobbing. E-book. Formato PDF
George W. Burley
edizioni Forgotten Books collana , 2017
The terms spiral gear and helical gear are, in usage, synonymous, the only difference being that the former of these terms is absolutely incorrect. Inasmuch, however, as the word spiral is in such common use among mechanics in this connection, the writer has not had the moral courage to use the more 'proper term throughout...