- 1Troughton and Simms (maker),
sextant, 5802.1 - 2Troughton and Simms (manufacturer), Leather Case, 1911
casebag, 6208.9.6 - 3Troughton and Simms (manufacturer), telescope,
telescope, 8302.14.1 - 4Troughton and Simms, Theodolite Part, 1908
theodolite, 201401.5 - 5Troughton and Simms (manufacturer), Sextant,
sextant, 201703.2.1 - 6Troughton and Simms (manufacturer), Sextant, 1902 - 1908
sextant, 201703.2.2