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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Polar
Ott Polar Planimeter
Ott
Germany
Blackened brass and German silver
Unknown
N/A
General area measurement
Notes:
"This is a fairly standard Ott polar planimeter with adjustable-length tracing arm. It has a a checking rule, but no other extras. The finger rest on top of the tracing point is missing. "
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Image 8
