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19th Century Brass Theodolite By S.P.Cohen, Glasgow.
Extending telescope with rack and pinion focusing and centrally mounted spirit level, located on the limb with twin clamps, half vertical circle inset with vernier scale marked from 0 to 30 degrees for ‘Diff of Hypo’, and base.
V frame supports mounted on a vernier plate with silvered compass level and cross levels. 0 to 30 degrees horizontal circle with chamfered silver scale standing on a four screw tripod adjustment with extending sight and plum level in original carrying case. Circa 1845
Simon Phineas Cohen was a partner and the manager of the Glasgow branch of A.Abraham and Co. Of Liverpool. A.Abraham and Co. Are listed as important makers who exhibited at the royal exhibition at Crystal Palace in 1851. Cohen traded from various addresses in Glasgow, Queen Street (1844) 105, Buchanan Street (1845-1849) St Vincent Street (1852) and also 136 Buchanan Street (1853). He was working from 1844 to 1853, by which date he was declared bankrupt owing Abraham Abraham £1,960!
The BADA Standard
- Since 1918, BADA has been the leading association for the antiques and fine art trade
- Members are elected for their knowledge, integrity and quality of stock
- Our clients are protected by BADA’s code of conduct
- Our dealers’ membership is reviewed and renewed annually
- Bada.org is a non-profit site: clients deal directly with members and they pay no hidden fees
