-40%
Keuffel & Esser 4031 Mannheim Adjustable Slide Rule Pat June 1900
Keuffel & Esser 4031 Mannheim Adjustable Slide Rule Pat June 1900
Keuffel & Esser 4031 Mannheim Adjustable Slide Rule Pat June 1900
Keuffel & Esser 4031 Mannheim Adjustable Slide Rule Pat June 1900
Keuffel & Esser 4031 Mannheim Adjustable Slide Rule Pat June 1900
Keuffel & Esser 4031 Mannheim Adjustable Slide Rule Pat June 1900

Keuffel & Esser 4031 Mannheim Adjustable Slide Rule Pat June 1900

$ 13.2

Availability: 55 in stock
  • Condition: Used

    Description

    Up for auction is a
    Keuffel & Esser 4031 Mannheim Adjustable Slide Rule Pat June 1900. Slide ruler is in really nice condition with the original case, case is in good condition. (See pictures) High bidder pays .50 shipping. Please email with any questions.