953 FT Lufkin Tinner’s Steel Circumference Rule

$101.00

SKU: 953 FT Categories: ,

Description

  • Standard rule with tinners and other steel metalworkers
  • Tempered medium-weight steel
  • Hole in one end for hanging
  • Markings are black for easy reading
  • 953 model, one side upper edge marked inches to 1/16ths
  • Lower edge marked up to 113 circumference inches to 1/8ths
  • Reverse side of model has formulas for calculating circumference, diameter, area, etc. and size table for laying out measures and cans
  • Increment @ Scale 1/16 in @ 1 in, 1/8 Dia. in @ 1 Circumf. in