A mid 19th-Century Scottish brass theodolite,

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Details

A mid 19th-Century Scottish brass theodolite,
signed S.P. Cohen, Glasgow, the 9-inch long barrel with bubble level, rack and pinion focusing and cross-hair adjustment screws, raised with clamp, fine-screw adjustment and vernier arm on two A-frame supports, the base of one incorporating a 65°-0-50° scale, the 5-inch horizontal circle with glazed compass with edgebar needle and clamp, bubble level, chamfered circumference scale and twin verniers, finescrew adjustment and clamp, raised on a four-screw tripod mounting, with four leg extensions, in a fitted mahogany carrying case -- 31cm. (12¼in.) wide

See Illustration

Literature

BRYDEN, D.J., Scottish Scientific Instrument Makers (Edinburgh, 1972)

Special notice

No VAT will be charged on the hammer price, but VAT at 17.5% will be added to the buyer's premium which is invoiced on a VAT inclusive basis This lot is subject to Collection and Storage charges

Lot Essay

Simon Phineas Cohen was a wholesale manufacturing optician and export and import merchant. He operated from various Glasgow addresses between 1844 and 1853, having acquired the Glasgow branch of the business of A. Abraham & Co., Liverpool.

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