Archive of Collections



Details and Image



TypeModel No.MakerCountryConstruction
Material
DateScale LengthArea of Use
Polar
Dennert & Pape Polar Planimeter In the style of Amsler Type 3
Dennert & Pape
Germany
Brass
1889-1890
N/A
General area measurement

Notes: "This is an all-brass polar planimeter by Dennert and Pape in Germany. It is in the style of the Amsler Type 3. Although there is no makerís name on it anywhere, it was identified by very specific construction details that were not used by other manufacturers. The serial number is 783, making this one of the earliest D&P planimeters known, and dating it to 1889 or 1890."


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