Thatcher's Calculating Instrument by Keulfeel and Esser, New York, patented 1881, paper covered scales on a 20-inch revolving brass cylinder on a mahogany base, wooden hinged box, operating instructions and remains of seller's label, lg. of boxed instrument 24 in. Losses on some brass scales.
Auctioneer:
Skinner
Date:
2010-11-20
Thatcher's Calculating Instrument by Keuffel & Esser Co., New York, No. 4012, Serial No. 4722, with inner sliding cylinder and outer twenty-bar rotating "envelope" with Read more…
Auctioneer:
Skinner
Date:
2005-11-03
Thatcher's Calculating Instrument by Keuffel & Esser Co., New York, No. 4012, 1472, Patd. by Edwin Thatcher, C.E. Nov 1st. 1881 , and Divided by Read more…
Auctioneer:
Skinner
Date:
2005-05-03
Thatcher's Calculating Instrument, by Keuffel & Esser Co., New York, No. 4012, Serial No. 5343, patd. by Edwin Thatcher 1881, with inner sliding tube and Read more…
Auctioneer:
Skinner
Date:
2007-10-28
Thatcher's Calculating Instrument, by Keuffel & Esser Co., New York , No. 4012 / 4142, patd. by Edwin Thatcher 1881, with outer paper-covered scales on Read more…
Auctioneer:
Skinner
Date:
2006-07-29
Thacher's Calculating Instrument, Keuffel & Esser Co., no. 4013, serial no. 5188, c. 1920, consisting of a cylindrical slide with both rotary and longitudinal movement, Read more…
Auctioneer:
Skinner
Date:
2017-10-27
Thatcher's Calculating Instrument, patd. by Edwin Thatcher November 1st. 1881, no. 1740, serial no. 773, with inner sliding cylinder, outer rotating "envelope" with printed scales Read more…
Auctioneer:
Skinner
Date:
2008-08-23
