Skinner

Auctioneers and Appraisers

Oxidized Brass Sextant

Auction:
2314
Lot:
602
Sold for:
$294$250

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Auction:
Clocks, Watches & Scientific Instruments - 2314
Location:
Bolton
Date / Time :
November 03, 2005 10:00AM

Description:

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.
Estimate $200-300

Keywords

London, Philadelphia, William Helfricht, Chad Valley, Philosophical Instrument Maker, Mary, Celestial navigation, Measuring instruments, Sextant, Tangent