Sold for:
$382

Ebony 13-inch Radius Octant by Spencer, Browning & Rust, with bone arc divided 0-95 , brass index arm with vernier, clamp and tangent-screw adjustment, vacant plaque, pinhole sights, shades, and reflector (silvered), in ebonized case with early label of Richard Patten, Mathematical Instrument Maker, 180 Water St. , New York .


Skinner

Auctioneer:
Skinner

Date:
2005-05-03

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Ebony 13-inch Radius Octant by Spencer, Browning & Rust, London, with bone scale divided 0-95 , brass index arm with screw adjustment and clamp, pinhole, Read more…


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Ebony 13-inch Radius Vernier Octant by Spencer, Browning & Rust, with bone scale marked 0-95 and engraved with monogram SBR , oxidized brass index arm Read more…


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Ebony Octant by Spencer, Browning & Co., London, with brass index arm, ivory vernier, finial and scale engraved SBR , double pinhole and three shades, Read more…


Auctioneer:
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Date:
2004-09-11