-40%

Antique Cased Keuffel and Esser Co. No 4212 Planimeter Instrument Tool LOOK

$ 33.79

Availability: 100 in stock
  • Restocking Fee: No
  • Refund will be given as: Money Back
  • Condition: Used
  • Return shipping will be paid by: Buyer
  • Modified Item: No
  • All returns accepted: Returns Accepted
  • Item must be returned within: 30 Days

    Description

    Antique Early 1900s
    Keuffel & Esser Co N.Y.
    No. 4212 Planimeter
    The Planimeter is a tool for measuring the surface area of any two dimensional shape. The Swiss Mathematician
    Jakob
    Amsler-
    Laffon
    built the first modern planimeter in 1854, the concept having been pioneered by Johann Martin Hermann in 1814. This Planimeter is complete in its original case. The case measures 2 1/2 inches by 6 1/2 inches and is in very good problem free condition.
    If you have any questions please contact me