Ebony Octant by Spencer, Browning & Rust, London, with brass arm, ivory scale and vernier, in shaped oak case with F. W. Lincoln, Jr. & Co., Boston, retailer's label, radius 12 in.
Auctioneer:
Skinner
Date:
2001-03-31
10-inch Radius Ebony Octant by Spencer & Company, London, with bone maker's plaque marked Spencer & Co. London , scale calibrated 0-105, brass index arm Read more…
Auctioneer:
Skinner
Date:
2010-11-20
10-inch Radius Ebony Octant by Spencer Browning & Company, London, with brass sliding index arm, bone scale divided 0-105, vernier scale indexed 0-20, thumb screw Read more…
Auctioneer:
Skinner
Date:
2009-07-25
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:
Skinner
Date:
2004-09-11
Ebony Octant by Spencer, Barret & Co., London, with bone arc scaled 0-105 , brass index arm with vernier, double pinhole sight, mirror and shades, Read more…
Auctioneer:
Skinner
Date:
2004-09-11
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…
Auctioneer:
Skinner
Date:
2005-05-03
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…
Auctioneer:
Skinner
Date:
2005-05-03
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 Read more…
Auctioneer:
Skinner
Date:
2005-05-03
12-inch Radius Mahogany Octant by Spencer, Barrett & Co., London, with bone scale divided 0-105 , brass index arm with vernier and clamp, pinhole sight, Read more…
Auctioneer:
Skinner
Date:
2008-08-23
Ebony Octant By Hughes, London, with ivory scale divided 100-0 by 10s, brass arm with vernier, pin hole, mirror and shades, radius 8 in., in Read more…
Auctioneer:
Skinner
Date:
2002-10-27
12-inch Ebony Octant by Gedney King & Son, Boston, Massachusetts, the painted oak keystone case with 5 x 3 in. printed label stating Gedney King Read more…
Auctioneer:
Skinner
Date:
2010-05-01
