German-Made Polar Planimeter Similar to Amsler Type 1
Unknown
Unknown
Black painted brass
Unknown
N/A
General area measurement
Notes: "This is a very small (6 inches overall length) polar planimeter branded Eugene Dietzgen Co., but made in Germany. The actual maker's name is unknown. The planimeter is in the style of the Amsler types 1 and 2, but considerably smaller."