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

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

$ 33.79

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

    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