[posted] Posted (#31756, Battison) !

[Al Haines]

Screw-Thread Cutting since 1480, by Edwin A. Battison                    31756
  [Full title: Screw-Thread Cutting by the Master-Screw Method since 1480]
  [Link: http://www.gutenberg.org/3/1/7/5/31756 ]
  [Files: 31756.txt; 31756-8.txt; 31756-h.htm]

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Regards,
Al