Auction: Clocks, Watches & Scientific Instruments - 2248Location: BoltonDate / Time: September 11, 2004 12:00PM
Description:
Mahogany Semi-Circumferentor, stamped 1810, with pewter scale, hinged compass box (lacking needle) and mahogany alidade with brass sight vanes stored at the side, wd. 10 in.
Estimate $1,000-1,500