http://www.gutenberg.org/ebooks/subject/19133.opds 2024-12-22T13:42:14Z Books about Screw-cutting machines -- History (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://www.gutenberg.org webmaster@gutenberg.org https://www.gutenberg.org/gutenberg/favicon.ico 25 1 2024-12-22T13:42:14Z https://sendtokindle.compellingsciencefiction.com/ebooks/31756.opds Screw-Thread Cutting by the Master-Screw Method since 1480 Edwin A. Battison