Thatcher's Calculator by Keuffel & Esser, Model 4012, No. 5008, with inner rotating cylinder and outer scales, on mahogany base, wd. 21 in., in mahogany case with copy instructions.
Auctioneer:
Skinner
Date:
2004-09-11
Thatcher's Calculator by Keuffel & Esser, Model 4012, No. 4250, with inner cylinder and outer scales, on mahogany base with instruction label, wd. 21 1/2 Read more…
Auctioneer:
Skinner
Date:
2003-05-03
Thacher's Calculator by Keuffel & Esser, Model 4012, No. 5565, with sliding inner cylinder, revolving outer cylinder of scales, and wood base with instruction label, Read more…
Auctioneer:
Skinner
Date:
2002-04-13
Thacher's Calculator by Keuffel & Esser, New York, Model 4012, No. 1454, with sliding inner cylinder, revolving outer cylinder of scales and wood base with Read more…
Auctioneer:
Skinner
Date:
2001-03-31
Thacher's Calculator, by Keuffel & Esser, Model 4012, No. 1595, with sliding inner cylinder, revolving outer cylinder, and wood base with instruction label, lg. 22 Read more…
Auctioneer:
Skinner
Date:
2002-04-13
Thatcher Calculator, patented by Edwin Thatcher, November 1881, Keuffel & Esser, New York, model 4012, no. 2134, with inner cylinder and outer scales, on mahogany Read more…
Auctioneer:
Skinner
Date:
2012-12-01
