Thacher's Calculating Instrument
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Description
Thacher's Calculating Instrument, by Keuffel & Esser Co., New York, Model no. 4012, serial no. 5455 patented by Edwin Thacher 1881, with outer paper-covered scales on revolving brass rings, and 19-inch sliding inner cylinder, on mahogany base and end handles with paper instruction label, in mahogany case. This item includes the original directions for use book.
Dimension: Instrument: 5 ¾” h x 22 ½” w x 5 ½” d;
Fair condition, with paper losses on the metal scales, rust, corrosion, and other imperfections and wear from age and use. Case top not present.
Dimension: Instrument: 5 ¾” h x 22 ½” w x 5 ½” d;
Fair condition, with paper losses on the metal scales, rust, corrosion, and other imperfections and wear from age and use. Case top not present.
Buyer's Premium
- 23%
Thacher's Calculating Instrument
Estimate $200 - $400
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Item located in Berlin, CT, usSee Policy for Shipping
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