Auction: Clocks, Watches & Scientific Instruments - 2248Location: BoltonDate / Time: September 11, 2004 12:00PM
Description:
Semi-Circumferentor, with brass protractor engraved with acanthus leaves and scale 0-90-0 and outer scaled 0-180, mahogany compass well and brass alidade with two folding sights, wd. 8 1/2 in.
Estimate $1,000-1,500