Vintage Keuffel & Esser 620000 Polar Planimeter W. Germany Precision Area Tool

Vintage Keuffel & Esser (K+E) precision polar planimeter, Model 620000, made in West Germany. Mechanical drafting instrument used to measure areas of irregular shapes on maps and technical drawings. Includes original fitted case with intact calibration label. All components present: tracing arm, measuring wheel, and magnifying lens. Instrument body in excellent vintage condition with fully legible markings. Lens shows light surface haze and micro-scratches (cosmetic only). No corrosion or missing parts observed. A highly collectible scientific and engineering instrument from the pre-digital era. Sold as a vintage collectible or restoration-ready tool. Not recently calibrated or professionally tested. Please review photos carefully. Non-smoking and pet free household.