An English Altitude Theodolite, William Wilton, Cornwall, circa 1830, circular plate with extended arms to carry open sights, in the centre is a silvered compass, underneath a glazed case, flanked by two spirit levels and a scale divided into quadrants of
Antique Troughton & Simms, England dumpy level, retailed by T.F. Wiesener of George St Sydney, in its original box and a replacemenent tripod. Comes with paper work associating Ben Chifley to the level, when a councillor on Abercrombie Shire Council
Rare Antique Troughton & Simms dumpy level made for Kilpatrick & Co Melbourne, No 972, in original fitted mahogany case. Edward Troughton and William Simms established a scientific instrument making business in London in 1826. along with three folding trip
A brass theodolite, late Victorian, the four brass levelling screws supporting the tripod base surmounted by circular scale with vernier, single bubble level and inset silvered compass, with 'A' frame supporting the telescope, additional eyepiece, wooden c
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