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A rare Pallant, London, Simple Theodolite, finished in lacquered brass, with altitude and azimuth silvered half circles, the former signed and divided 0”-90”-0” and 0”-180”, the latter divided 0”-180” and 180”-0”, with pinhole sights, mounted on sliding vertical elevation adjustment rod, divided to 10 inches, in velvet lined fitted mahogany case, circa 1850, 410mm long
A LATE 18TH CENTURY COMPASS THEODOLITE BY FRASER, LONDON in oxidised and lacquered brass, the telescope swivel mounted and secured with a pin to the Depression / Elevation scale, on turntable mount with compass signed Fraser London and bubble level, on turned ebonised base with adjustable feet (overall wear) - 10in. (25.5cm.) high
A black japanned and lacquered brass theodolite, Casella, London, early 20th century, With sighting tube and vertical silvered vernier scale calibrated for degrees of elevation pivoted between two pierced A frame uprights with spirit level, the whole rotating on similarily calibrated plinth applied with X and Y spirit levels and signed CASELLA, LONDON on two-stage triform base with levelling screws, (lacking vernier magnifiers and eyepiece, unboxed) 38cm high.
A lacquered and patinated brass theodolite, Stanley, London, early 20th century, with spirit level mounted sighting tube pivoted between two uprights with silver inset vertically aligned vernier scale calibrated in degrees above rotating calibrated compass inset plinth applied with X and Y spirit levels and signed STANLEY, LONDON 107339,, on disc base with tripod levelling screws, in original mahogany box with some accessories and outer leather cover, 38cm wide, with original mahogany tripod stand. Visit www.dnfa.com for condition reports.
A 19TH CENTURY POLISHED-BRASS THEODOLITE, (dismantled); signed on the horizontal plate Schmalcalder 399 Strand London, the telescope with rack and pinion focusing, bubble level mounted over the vertical half circle with Y supports and hinged clamps (one missing), raised on inverted V-frames incorporating tangent-screw fine adjustment, compass box and fore-aft bubble level, (cross bubble missing), the compass with plain iron needle with jewelled cap, the horizontal plate with twin silvered vernier scales to read against the chamfered silvered horizontal circle, with part base and tripod attachment (a lot). See Illustration.
AN UNUSUAL 19TH CENTURY SIMPLE THEODOLITE, signed on the silvered vertical half circle: J. Pallant, Maker, London., and divided 0° - 180° on the inner scale the outer 0° - 90° (x2) with fore and aft pin sights, the horizontal protractor silvered scale divided 0° - 180° (x2) with single pin sight set a 90°, further marked PC at the 115° points, with steel assembly rod and lacquered brass pillar stand 15" high, in fitted mahogany case: 16" wide. See Illustration.
A TROUGHTON & SIMMS, London BRONZED TRANSIT THEODOLITE with circular platform, central compass, two spirit levels, silvered calibrated scale with vernier and magnifier, silvered arc with vernier and magnifier, sighting telescope with rack and pinion focusing and spirit level, milled clamping and adjustment screws, on stand with four milled levelling screws, and brass plumb bob, in fitted mahogany case
A Grey Enamelled 1" Theodolite "Tavistock V041490" by Cooke, Troughton & Simms Ltd, York, in a fitted mahogany case and canvas cover, with a tripod; A Grey Enamelled Watt's 20 Second Microptic Transit Theodolite, in a metal case; A Grey Enamelled Cooke, Troughton & Simms Quickset Level, in metal carrying case.(4)
An Early 20th Century Oxidized Brass 16cm Transit Theodolite by F.Barton & Co., London, with silvered dial and vernier, silvered compass and three spirit levels, the telescope with rack and pinion focusing, in original mahogany fitted case, together with a tripod and surveyors levelling staff (3)
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2335 item(s)/page