Auction: Clocks, Watches & Scientific Instruments - 2355Location: BostonDate / Time: March 24, 2007 10:00AM
Description:
11-inch Radius Ebony Vernier Sextant by Crichton, London, with bone scale divided 105 - 0, brass index arm with vernier, two telescopes (mounting ring off),mirror and colored filters, in mahogany keystone case with label of W.J. Crawford, Practical Chronometer, Watch & Nautical Instrument Maker, 70 Corporation St., Belfast.
Estimate $300-500