Lufkin Tools 1935 - Decimal Equivalents / Screw Threads &tap And Drill Sizes

US $6.50

  • Fellsmere, Florida, United States
  • Jun 9th
LUFKIN TOOLS, STANDARDS OF ACCURACY, COPYRIGHT 1935. DECIMAL EQUIVALENTS, US STANDARD THREADS, COURSE AND FINE. BACK SIDE AND FRONT SIDE. FRONT SPINS AROUND TO COORDINATE THE MEASUREMENT DESIRED.  THIS CIRCULAR CARD IS YELLOW, AGED, HAS SOME WHITE SPOTS, BLACK SPOTS AND HAS DARKENED FROM USE. BELONGED TO A MACHINIST FROM CHICAGO WHO RETIRED IN 1975. 
Old, shows aging, yellow, tan and black on the card. Card spins to reveal coordinating sizes. A few whites dots and creases. Used by a Machinist in Chicago, retired 1975.
Brand Lufkin
Country/Region of Manufacture United States

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