VINTAGE K & E (KEUFFEL & ESSER) CO. COMPENSATING POLAR PLANIMETER 4236
Comes with an aluminum case
Serial No. 18939
This German-made fixed-arm polar planimeter has a 4-1/2" metal and bronzed brass tracer arm and an 8" bronzed brass pole arm welded to a cylindrical weight
A carriage on the tracer arm has a white plastic measuring wheel, vernier, and registering dial
The carriage is marked with a serial number: 18939
The pole arm is marked: K+E KEUFFEL & ESSER CO. It is also marked: MADE IN GERMANY
DATE MADE 1949-1955
A planimeter, also known as a platometer, is a measuring instrument used to determine the area of an arbitrary two-dimensional shape
The Keuffel and Esser Co., also known as K & E, was a drafting instrument and supplies company founded in 1867 by German immigrants William J. D. Keuffel and Herman Esser. It was the first American company to specialize in these products
The Keuffel and Esser Co., also known as K & E, was a drafting instrument and supplies company founded in 1867 by German immigrants William J. D. Keuffel and Herman Esser. It was the first American company to specialize in these products
This was originally “Property of Georgia State College of Business Administration” shows stock number of 18506
CONDITION
Very Good
Very Good
No issues noted
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