A Troughton & Simms brass Everest-type theodolite, English, mid 19th century,
signed Troughton & Simms London, the telescope engraved with arrow mark and EO 23, supported by two brackets above half circle of degrees, magnetic compass, two bubble levels, horizontal circle of degrees with silver scale and verniers, staff-head mount with four leveling screws, in mahogany case with tripod, 11in (28cm) high
Sold for
£687
inc. premium
Category: Collectibles / Scientific Instruments
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Scientific Instruments