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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Polar
Very early Amsler planimeter
Amsler
Switzerland
Brass
1855
N/A
General area measurement
Notes:
"Serial number 83, the second oldest Amsler planimeter known. Probably from 1855, the first year of production. There is no weight for the pole arm, and no place in the box for a weight."
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