Vintage K&E 620002 Polar Planimeter Keuffel Esser Drafting Tool 260.4 sq in for Sale

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Vintage K&E 620002 Polar Planimeter Keuffel Esser Drafting Tool 260.4 sq in For Sale

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Vintage K&E 620002 Polar Planimeter Keuffel Esser Drafting Tool 260.4 sq in:
$49.99

Brand: Keuffel & Esser (K+E)

Style: Model 620002 polar planimeter for measuring areas on engineering, mapping, or surveying drawings

MPN: 620002

Serial number: 92 495

Country of manufacture: W. Germany

Details: Mechanical integrating planimeter head with dial and wheel readouts, tracer arm assembly, pivot weight arm, extra straight bar, and fitted needle point, all stored in a molded green-foam lined hard case with K+E logo

Calibration data (from case label): Area of neutral circle = 260.40 sq. in.; one revolution of the wheel = 10 sq. in.; additional scale factors referenced in the original instruction book

Keywords: K&E planimeter, Keuffel & Esser, drafting instrument, surveying tool, engineering calculator, vintage measuring device, Germany

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