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A fine George III 3 inch pocket globe John and William Cary, London, circa 1791 The sphere with metal pivot pins to the poles and applied with t...
A fine George II cased set of mathematical drawing instruments Thomas Heath, London, circa 1740 The lower tier comprising: A large mathematical ...
A George III silver mounted shagreen etui of drawing instruments Dollond, London, early 19th century The tapered oblong shagreen veneered case w...
A George III stained ivory and shagreen spyglass Dollond, London, late 18th century Of single-draw cylindrical form fitted with 1.25 inch object...
A Victorian brass 2.75-inch refracting telescope W. Watson and Sons, London, late 19th century The 37.5 inch tube with rack and pinion focus adj...
A George III lacquered brass Withering pattern botanical microscope Unsigned, circa 1800 With two objective lenses mounted via twin turned uprig...
A George III lacquered brass solar microscope William and Samuel Jones, London, circa 1800 The square brass plate signed W & S JONES, 135 Ho...
A Cary/Gould-type lacquered brass portable compound microscope Cary, London, circa 1825 The part-tapered tube screw-fitting at the objective end...
A Cary/Gould-type lacquered brass portable compound microscope Unsigned, circa 1840 The part-tapered tube screw-fitting at the objective end int...
A late Victorian brass binocular microscope Dring and Fage, London, late 19th century With rack and pinion coarse and fine bottom-screw focus ad...
A late Victorian brass monocular microscope Unsigned, late 19th century With fine screw focus adjustment to the body tube and rack-and-pinion co...
Two similar Victorian lacquered brass field microscopes Both unsigned, late 19th century Each of stepped cylindrical form with telescopic body t...
A late Victorian lacquered and patinated brass portable monocular microscope Negretti and Zambra, London, late 19th century The body tube slidin...
A late Victorian lacquered and patinated brass monocular microscope Negretti and Zambra, London, late 19th century With rack and pinion coarse a...
A late Victorian lacquered and patinated brass monocular microscope Henry Hughes and Son, London, late 19th century The sliding body tube with f...
A German black crackle-finish binocular dissecting microscope Carl Zeiss, Jena, circa 1920 The short binocular body tube with paired objective l...
Two mahogany cased Sikes' Hydrometers Dring and Fage, London, and T. O. Blake, London, late 19th century Each with calibrated brass float, bon...
A George I cased set of cut steel and brass portable coin scales Timothy Roberts, London, circa 1725 With finely turned and filed polished steel...
A George IV brass pantograph William and Samuel Jones, London, circa 1825 The pivoted frame with circular purple velvet covered anchor-weight ...
A George III small brass pantograph William and Samuel Jones, London, circa 1800 The pivoted frame with circular lead anchor-weight fitted to ...
A group of three George IV drawing Instruments William and Samuel Jones, London, circa 1825 The first a circular brass protractor with four-sp...
A rare early Victorian W. and A. Smith type brass pantograph William and Andrew Smith, London, circa 1840 Constructed from three rectangular and...
Adams, George LECTURES ON NATURAL AND EXPERIMENTAL PHILOSOPHY Five volume second edition corrected by William Jones, printed by J. Dillon and ...
An ebony and patinated brass navigational octant Henry Hughes and Son, London, circa 1870 The 11 inch frame incorporating central T-shaped hand-...
A rare Victorian mahogany mercury cistern tube marine stick barometer with sympiesometer D. Mc.Gregor and Company Limited, Glasgow, Greenock and ...
A William IV mahogany mercury stick barometer Thomas Jones, London circa 1830 With moulded upstand and cavetto moulded cornice above rectangular...
A Victorian Scottish mahogany mercury stick barometer James Mackay Bryson, Edinburgh, circa 1860 The arched bone vernier scale calibrated in bar...
A mahogany barograph with barometer dial Retailed by Harrods Limited, London, early 20th century The mechanism with seven segment aneroid chamb...
A mahogany barograph with barometer dial Unsigned, early 20th century The mechanism with eight segment aneroid chamber within frosted gilt bras...
A Victorian lacquered brass aneroid barometer Murray and Heath, London, circa 1860 The 4.25 inch circular silvered registered signed Murray & ...
A rare French nickel plated keyless lever pocket watch with aneroid barometer Unsigned, circa 1900 With Swiss made five bar movement with lever ...
A German Stockert pattern fruitwood diptych pattern pocket sundial Unsigned, early 19th century The upper leaf with central column printed with ...
A fine French silver small pocket sundial Jacques Thoury, Paris, late 17th century The oval silver plate with outer hour scale engraved IIII-XI...
A very rare patinated brass noon sundial Unsigned, probably late 18th century The angled gnomen set at 51 degrees applied to a rectangular plate...
A fine English patinated brass garden sundial with equation of time Unsigned, early 19th century The 11.75 inch circular plate fitted with angle...
A French gilt brass carriage clock in one-piece case The dial signed for Bright, Paris, mid 19th century The eight-day two train bell striking m...
A French gilt brass carriage clock with push-button repeat Unsigned, late 19th century The eight-day gong striking movement with silvered plat...
A French laquered brass petite sonnerie striking carriage clock with push-button repeat Retailed by Thomas Russell, Paris, late 19th century The...
A French lacquered brass carriage clock, Richard and Company, Paris, circa 1900 The eight-day gong striking movement with silvered platform lev...
A French engraved gilt brass miniature carriage timepiece with painted enamel panels Indistinctly signed, late 19th century The eight-day moveme...
A rare American nickel plated brass carrousel carriage timepiece with duplex escapement Waterbury Clock Company, circa 1880 The movement with mo...
A rare and impressive giant glass ball timepiece Retailed by Tiffany and Company, New York circa 1900 The French made eight-day movement with ve...
A French gilt brass and patinated steel novelty 'quarterdeck' mantel clock Guilmet, Paris, late 19th century The eight-day gong striking movemen...
A German gilt metal mounted walnut 'swinging cherub' mantel timepiece Lenzkirch, Germany, circa 1905 The small single train going barrel movemen...
A French alabaster and gilt metal novelty mantel clock with conical pendulum The movement by Samuel Marti, Paris, late 19th century The circular...
A rare French Belge noir marble mantel clock with keyless centre-winding arbor Retailed by E. Crouch, London, late 19th century The eight-day tw...
An American polychrome painted cast iron figural blinking eye mantel timepiece 'The Admiral' The Waterbury Clock Company, Connecticut, late 19th ...
A Black Forest carved wood cuckoo table clock Attributed to Johann Baptist Beha, Eisenbach, circa 1870 The wooden framed twin fusee movement wit...
A German Black Forest Jockeleuhr miniature wall timepiece with alarm Unsigned but to a design devised by Jacob Herbstritt, mid 19th century Th...
A Japanese engraved brass Kake-Dokei lantern clock with double foliot regulation and alarm Unsigned, mid to late 19th century The weight-driv...
A fine French small porcelain panel inset ormolu mantel clock Martin, Baskett and Martin, Paris, circa 1860 The circular eight-day movement rack...
A French ormolu and patinated bronze figural mantel clock The movement with indistinct maker's stamp, Paris, late 19th century The circular outs...
A fine French Sevres style porcelain mounted ormolu mantel clock garniture, Unsigned, late 19th century The circular eight-day movement regulate...
A French Empire ormolu small figural mantel timepiece Unsigned, early 19th century The circular eight-day movement with silk pendulum suspension...
A rare French Empire ormolu and patinated bronze small figural mantel timepiece 'au négre portefaix' incorporating musical mechanism to plinth Th...
A rare French Empire ormolu and patinated bronze figural mantel clock 'au négre portefaix' The movement signed for Stevenard, Boulogne, early 19...
A fine Louis XV ormolu and black marble figural mantel clock with concentric calendar Ridel, Paris, late 18th century The circular eight-day cou...
A French Louis XV style ormolu and patinated bronze figural 'elephant' mantel clock Unsigned, third quarter of the 19th century The circular out...
An Impressive Louis XV ormolu mantel clock Dehemant, Paris, mid 18th century The circular four knopped-pillar eight-day outside countwheel hour ...
A fine and impressive French gilt brass and Belge noir marble large four glass mantel regulator of one year duration Susse Freres, Paris, late 19...
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