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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Polar
"Allbrit ""Sliding Bar"" Polar Planimeter"
W.F. Stanley
UK
German Silver
1933-1980's
N/A
General area measurement
Notes:
"The ""sliding bar"" in the model name refers to the adjustable-length tracing arm, which allows the planimeter to be set to read directly in the units of drawings at different scales."
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