Oxidized Brass Sextant
- Sold for:
- Clocks, Watches & Scientific Instruments - 2314
- Date / Time :
- November 03, 2005 10:00AM
Oxidized Brass Sextant, London, with silvered scale, index arm with vernier, magnifier and tangent-screw adjustment, mirror, reflector, shades, rosewood handle and two telescopic sights, radius 9 in., in mahogany case with label of William Helfricht, Mathematical, Optical and Philosophical Instrument Maker, Sign of the Quadrant, No. 240 South Front St., Philadelphia; a 1st class pilot's certificate to E. R. Raymond, dated December 1877; and a Chad Valley model of the Queen Mary in original box.