TY  - BOOK
AU  - Battison,Edwin A.
TI  - Screw-Thread Cutting by the Master-Screw Method since 1480
AV  - Q 
PY  - 2010///
PB  - Project Gutenberg
KW  - Screw-cutting machines -- History
N1  - Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/31756
ER  -