Slide Rule (Stainless Steel)

Pricing & History
  • Sold for
    Start Free Trial or Sign In to see what it's worth.
  • Sold Date
  • Source eBay
Stainless Steel Slide Rule This slide rule is six inches long by one inch wide. The is case has seen better days, but the rule is in excellent condition. The back has decimal & metric equivalents for mild steel and tin plate. The mild steel is rated in gauge numbers and the tin plate in pounds per base box. The case and the rule body are marked UNION, and the end of the slide reads "The Executive Slide Rule". (Made in the U.S.A.) Date of origin unknown.