05-03-2005 05-03-2005
Skinner Auctions
Skinner Auctions Bolton MA
2283
May 3, 2005 10:00 AMCalender
1228

Thatcher's Calculating Instrument by Keuffel & Esser Co.

 
Auction: Clocks, Watches & Scientific Instruments - 2283 Location: Bolton Date / Time: May 03, 2005 10:00AM

Description:

Thatcher's Calculating Instrument by Keuffel & Esser Co., New York, patd. by Edwin Thatcher 1881, with rotating paper-covered inner cylinder and outer scales, on mahogany base with printed instructions and rules for operation, including multiplication, proportion, square roots, cube roots and simple interest, lg. 21 in., in stained wood case with maker's plaque.
Estimate $1,000-1,500

Keywords

Edwin Thatcher, Keuffel & Esser Co.