Troughton & Simms Rosewood and Brass Trammel Points, London, mid-19th century, the 39 3/4-in. trapezium-shaped rosewood bed with an inset brass rule marked 0-35, two points both with verniers in sighting windows, knurled thumbscrews, one adjustable point marked Troughton & Simms, London , the stationary point marked D.W. Hitchcock .
Auctioneer:
Skinner
Date:
2013-05-04
Surveyor's Compass with Level by Troughton & Simms, London, re-lacquered brass, with unengraved 4-inch dia. dial, blued-steel needle supporting silvered needle ring with engraved divisions Read more…
Auctioneer:
Skinner
Date:
2006-07-29
Troughton & Simms Brass Pocket Sextant, London, c. 1850, 2 3/4 in. dia. brass case with screw fit cover inscribed Awarded to Gent. Cadet James Read more…
Auctioneer:
Skinner
Date:
2011-07-16
Box Sextant by Troughton & Simms Ltd., London, No. 7315, with original bronzed finish, silvered arc with vernier divided 0-140° , magnifier, lacquered-brass telescope, and Read more…
Auctioneer:
Skinner
Date:
2006-07-29
Box Sextant by Troughton & Simms, of oxidized brass, with silvered vernier, telescope, magnifier on index arm, and mirror, dia. 3 in., in fitted maker's Read more…
Auctioneer:
Skinner
Date:
2004-09-11
Brass Theodolite by Troughton & Simms and an Unmarked Transit, the theodolite with 5 in. dia. silvered dial signed Troughton & Simms London , cardinal Read more…
Auctioneer:
Skinner
Date:
2009-07-25
4 1/4-inch Radius Miniature Sextant by Troughton & Simms, London, index arm with folding magnifier and thumbscrew micrometer vernier and locking screw, scale marked Troughton Read more…
Auctioneer:
Skinner
Date:
2009-07-25
Brass Dumpy Level by Troughton & Simms, early 20th century, with twin bubble levels, 1 1/2-inch lens, rack focusing and three-screw tripod mount, marked L.C.C. Read more…
Auctioneer:
Skinner
Date:
2002-04-13
Box Sextant by Troughton & Simms, London, mid-19th century, lacquered-brass with silvered scale, vernier, magnifier, shades and cover, in fitted leather case with manuscript instructions, Read more…
Auctioneer:
Skinner
Date:
2002-04-13
Compound Microscope by Cooke, Troughton & Simms and a Toolmaker's Microscope, compound microscope with monocular and binocular eyepieces, nosepiece with four lenses, rack focus moving Read more…
Auctioneer:
Skinner
Date:
2014-02-25
Troughton & Simms, Ltd. Surveyor's Transit, London, the telescope with rack and pinion focusing and objective lens ray shade, vertical circle with bubble level, silvered Read more…
Auctioneer:
Skinner
Date:
2012-12-01
