17-inch Radius Mahogany Octant by J. Gilbert, London, with boxwood scale divided 0-90 , sliding index arm with brass read-out, clamp and bone vernier (chipped) engraved 10, 5, 15, 10 , zero denoted by three stars, pinhole sight, mirror, magnifier and maker's plaque, (missing feet, shades and part of the support for pinhole sight).
Auctioneer:
Skinner
Date:
2008-08-23
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
17-inch Radius Mahogany Octant by George Adams, Fleet Street, London, with bone scale calibrated 0-90, index arm with brass read-out, locking thumb screw and bone Read more…
Auctioneer:
Skinner
Date:
2009-07-25
11-inch Radius Mahogany Octant by W.F. Cannon, London, with bone scale divided 0-100º , brass index arm with bone vernier, tangent-screw and clamp, pinhole sight, Read more…
Auctioneer:
Skinner
Date:
2008-08-23
Mahogany 17-inch Radius Vernier Octant by Nairne & Blunt, London, with boxwood scale divided 0-95 , index arm with bone vernier 0-20 and brass carrier Read more…
Auctioneer:
Skinner
Date:
2005-05-03
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
Ten Inch Radius Ebony Octant by H. Hughes, London, the brass index arm with thumbscrew vernier adjustment, inset ivory scale calibrated 0-105 and vacant maker's Read more…
Auctioneer:
Skinner
Date:
2009-07-25
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
16-inch Radius Mahogany Octant, unknown maker, with bone scale divided 0-90, brass index arm and bone vernier scale divided 0-10, brass thumbscrew lock, brass sighting Read more…
Auctioneer:
Skinner
Date:
2009-07-25
10-Inch Radius Ebonized Octant by P. A. Feathers, Dundee, Scotland, brass arm with vernier, thumbscrew lock and adjustment, bone scale and maker's plate signed P.A. Read more…
Auctioneer:
Skinner
Date:
2011-07-16
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
