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 B. Edwards for proficiency in surveying, RM Academy, December 1852 , inset silver scale calibrated 0-140 and magnifier arm, signed Troughton & Simms, London across the top of the scale, thumb screw mirror adjustment and peep hole sight.
Auctioneer:
Skinner
Date:
2011-07-16
Cook, Troughton & Simms Brass Surveyor's Transit, London and New York, no. 23044, the 12-in. telescope with 1-in. draw focusing, 8-in. horizontal circle signed as Read more…
Auctioneer:
Skinner
Date:
2014-10-09
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 Read more…
Auctioneer:
Skinner
Date:
2013-05-04
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
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
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 Transit by Cooke, Troughton & Simms, Ltd., London and York, with 3 in. dia. silvered dial marked with maker's name and 17272 , horizontal Read more…
Auctioneer:
Skinner
Date:
2009-07-25
Bronzed Brass Theodolite by Troughton & Simms, London, with 4 1/4 in. silvered dial divided 0-90 in four quadrants, wheel-set vernier moving limb and two Read more…
Auctioneer:
Skinner
Date:
2009-07-25
Brass Surveyor's Level by Troughton & Simms Ltd., London, with 14-inch lg. telescope, bubble-levels, and three-screw leveling base, ht. 8 in., in fitted mahogany case Read more…
Auctioneer:
Skinner
Date:
2005-05-03
Brass Box Sextant by Troughton & Simms, London, with silvered scale and vernier, index arm, magnifier, retractable telescope, magnifier and reflector, diam. 3 in., in Read more…
Auctioneer:
Skinner
Date:
2005-05-03
