Archive of Collections



Details and Image



TypeModel No.MakerCountryConstruction
Material
DateScale LengthArea of Use
Polar
"Allbrit ""Fixed Index"" Polar Planimeter"
W.F. Stanley
UK
German Silver
1933-1980's
N/A
General area measurement

Notes: """Fixed Index"" refers to neither the pole arm or tracing arm being adjustable. In use this is not a big limitation, but you must determine a scale factor to convert the planimeter reading into the units of your drawing. "


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