Ebony 16-inch Radius Vernier Octant, with brass index arm, pinhole sight, mirror and filters, on brass feet, (lacking scales, maker's plaque and reflector).
Auctioneer:
Skinner
Date:
2005-11-03
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
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
Ebony Octant Lamp, the 10-inch radius vernier octant with bone scale, index arm, pinhole sight, and three shades now fixed to a lamp base, total Read more…
Auctioneer:
Skinner
Date:
2008-07-17
17-inch Radius Mahogany Vernier Octant by William Holliwell, with bone scale divided 95-0 , brass index arm with vernier (missing clamp), mirror, filters and pinhole Read more…
Auctioneer:
Skinner
Date:
2007-03-24
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
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
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
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
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 J. Gilbert, London, with boxwood scale divided 0-90 , sliding index arm with brass read-out, clamp and bone vernier (chipped) Read more…
Auctioneer:
Skinner
Date:
2008-08-23
