Polar Planimeter Vintage K & E Keuffel & Esser Compensating model 4236

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Polar Planimeter Vintage K & E Keuffel & Esser Compensating model 4236:
$59.99

A planimeter, also known as a platometer, is a measuring instrument used to determine the area of an arbitrary two-dimensional shapeUp for sale is a used but very clean Vintage Keuffel & Esser 620005 (38627) KE Compensating Polar Planimeter with Box as can be seen in the pictures. the parts are in working condition and are all clean as well as the box.