Spencer & Co. Ebony Octant, London, 11-in. radius with bone maker's plaque marked Spencer & Co. London , scale calibrated 0-105, brass index arm with vernier (lacking bone scale), sighting pinnula, horizon mirror, three shades, and a mahogany keystone box with retail label reading in part, F.W. Lincoln Jr. & Co. Boston .
Auctioneer:
Skinner
Date:
2012-12-01
Spencer Barrett & Co. Ebony Octant, London, 11-in. radius with bone maker's plaque marked Spencer Barrett & Co., London scale calibrated 0-105, brass index arm Read more…
Auctioneer:
Skinner
Date:
2012-12-01
Spencer Browning & Co. Ebony Octant, London, 10-in. radius with bone maker's plaque marked Spencer Browning & Co. London , scale calibrated 0-100, brass index Read more…
Auctioneer:
Skinner
Date:
2012-12-01
Spencer Barrett & Co. Ebony Octant, London, 11-in. radius with bone maker's plaque marked Spencer Barrett & Co., London , scale calibrated 0-105, brass index Read more…
Auctioneer:
Skinner
Date:
2012-06-02
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 Octant in a Paint-decorated Box, Spencer Browning & Company, London, 19th century, with brass sliding index arm, bone scale divided 0-105, vernier scale indexed Read more…
Auctioneer:
Skinner
Date:
2012-08-11
Ebony Octant by Spencer, Browning & Rust, London, with brass arm, ivory scale and vernier, in shaped oak case with F.W. Lincoln, Jr. & Co., Read more…
Auctioneer:
Skinner
Date:
2001-03-31
Spencer Browning and Rust 12-inch Ebony Octant, London, 19th century, bone scale calibrated 0-95, brass index arm with vernier, sighting pinnula, sun shades, cross-arm bone Read more…
Auctioneer:
Skinner
Date:
2016-04-29
