Auction: Clocks, Watches & Scientific Instruments - 2447Location: MarlboroughDate / Time: July 25, 2009 10:00AM
Description:
G. Small Pocket Calculator Model No-2, Boston, a 1 7/8 in. circular slide rule with scales along the peripheral, top and bottom surfaces, index arm marked G. Small Boston and Pat'd Sept. 18 1900.
Estimate $200-400
No significant replacemenents, all scales in excellent condition.