SOLD! for $660.00.
(Note: Prices realized include a buyer's premium.)
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- Low Estimate: $600.00
- High Estimate: $700.00
- Realized: $660.00
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Keuffel & Esser (K&E) 4012 Thacher Cylindrical Slide Rule, serial number 4847. Comprised ofa brass core covered by paper marked with forty A scales, surrounded by an open rotating frame with twenty metal slats, each lined with cloth and covered with paper, marked with two B and two C scales. Wooden knobs on each end of the core rotate the instrument. The frame is attached to a mahogany base,all housed in the original wooden box with a hinged lid and brass hardware. Maker's marks to base and to paper label on interior of lid. Includes two (2) instruction manuals, one dated 1917. Core – 20" L x 4 1/2" dia. Overall with base – 5 1/2" H x 22 1/4" W x 5 3/4" D. Case – 6 3/8" H x 24" W x 6 3/4" D. Early/second quarter 20th century. (see:https://americanhistory.si.edu/collections/search/object/nmah_690142).Provenance: Private West Tennessee Collection. CONDITION: Some toning to cylinder. Some wear, scratches, natural wood shrinkage to case.