Sold for:
$823
$823
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 printed scales, on mahogany base with instruction label, wd. 21 1/2 in., direction booklet by Edwin Thatcher, and mahogany case with celluloid plaque Keuffel & Esser Co., Drawing Materials, Surveying Instruments, Measuring Tapes .
Auctioneer:
Skinner
Date:
2005-11-03
