Kempten Bayern Planimeter

An image of a Kempten Bayern Planimeter
Brand Kempten Bayern
Type Planimeter
Release Date N/A
Serial Num. 98825
Date code N/A
Country of origin Germany

Purchased at a local Value Village thrift store in late April 2023 (alongside Radio Shack EC-376). An interesting device used to mechanically calculate the area of a closed shape by tracing its perimiter. The device itself is in great condition, the box is fairly rough.