Excerpt from Spiral Gearing: Calculation and Design, Herring-Bone Gearing, Gear HobbingThe 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 this treatise, but it would be a good plan for the readers to become familiar with the term helical as applied to gearing.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
- Item ID: 1334183406
- ASIN: 1334183406