Sold for:
$940

Thatcher's Calculating Instrument, by Keuffel & Esser Co. , New York , No. 4012 / 4142, patd. by Edwin Thatcher 1881, with outer paper-covered scales on revolving brass rings, and 19-inch sliding inner cylinder, on mahogany base with paper instruction label, lg. 21 1/2 in., in mahogany case.


Skinner

Auctioneer:
Skinner

Date:
2006-07-29