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Early Keuffel & Esser K&E Mannheim Slide Rule Partial Case #4051 Patent 1900 20
Early Keuffel & Esser K&E Mannheim Slide Rule Partial Case #4051 Patent 1900 20
Early Keuffel & Esser K&E Mannheim Slide Rule Partial Case #4051 Patent 1900 20
Early Keuffel & Esser K&E Mannheim Slide Rule Partial Case #4051 Patent 1900 20
Early Keuffel & Esser K&E Mannheim Slide Rule Partial Case #4051 Patent 1900 20

Early Keuffel & Esser K&E Mannheim Slide Rule Partial Case #4051 Patent 1900 20"

$ 25.87

Availability: 15 in stock
  • Condition: Slide rule is in good condition. Case is partial and in fair condition.
  • Restocking Fee: No
  • Item must be returned within: 30 Days
  • Refund will be given as: Money Back
  • Modified Item: No
  • Country/Region of Manufacture: United States
  • Featured Refinements: K&E Slide Rule
  • All returns accepted: Returns Accepted
  • Return shipping will be paid by: Seller

    Description

    Older K&E Mannheim slide rule model 4051. It's a full 20.5" long, patent June 5, 1900. Beside the front calculation scales, the sides are marked for inches and centimeters. Back has conversion tables. Hard to find one like this! It only comes with half of the case (fair condition). Slide rule condition is good. Our home is smoke and pet free. We ship quickly. Buy with confidence!