Archive of Collections

Details and Image

TypeModel No.MakerCountryConstruction
DateScale LengthArea of Use
Dennert & Pape Polar Planimeter
Dennert & Pape
Magnesium and German silver
ca. 1940's
General area measurement

Notes: "This heavily corroded polar planimeter is by Dennert & Pape, and is serial number 15089. The pole arm was originally painted, and the corrosion reveals something like magnesium underneath the paint. The tracing arm is either German silver or nickel-plated brass. "

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