The Harig Speed And Feed Calculator National Tool, Die And Precision In Envel

US $1000

  • Lyons, New York, United States
  • Feb 25th
This calculator and instructions on how to use it by Herbert Harig was published in 1971 by the National Tool, Die, and Precision Machining Association. The calculator has a crease, the instructions are mint, the envelope has small tears and is worn but is all there. Interesting piece of equipment that is still used today in tool and die making measurements.

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