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A late Victorian 12 inch library table globe, Malby’s published by George Philip and Son, London 1898.The sphere applied with twelve coloured prin...
ϒ A German ebony brass and card universal equinoctial sundial, made for George Philip & Son, London and Liverpool, early 20th century.For latitude...
A George III lacquered brass 3-inch refracting telescope, Ramsden, London, circa 1790 The 42 inch tube with rack and pinion focus adjustment and...
A Victorian lacquered brass 2.75-inch refracting telescope, the stand signed for Grubb, Dublin, circa 1890. The 37.5 inch tube with rack and pin...
A Victorian lacquered brass 2.75-inch refracting telescope, unsigned, second half of the 19th century The 37.5 inch tube with rack and pinion fo...
A Cary/Gould-type lacquered brass portable compound microscope, unsigned, circa 1840 The part-tapered tube screw-fitting at the objective end into...
A Cary/Gould-type lacquered brass portable compound microscope, Cary, London, circa 1825.The part-tapered tube screw-fitting at the objective end ...
A lacquered brass Withering type botanical microscope, unsigned, 19th century With objective lens mounted via twin turned uprights above an up/d...
ϒ An English lacquered brass and ivory W. and S. Jones pattern portable compass microscope, unsigned, circa 1800 With turned ivory handle and oppo...
ϒAn English lacquered brass portable aquatic microscope, unsigned, second quarter of the 19th century With square section post fitted with lens ab...
A German oxidised brass portable field microscope, attributed to Spindler and Hoyer, Gottingen, circa 1925.With chrome or rhodium plated tube fitt...
A group of small optical instruments, various makers, mainly early to mid 20th century.To include a lacquered brass spinthariscope with threaded l...
A mahogany brass and glass Wimshurst electrostatic generating machine, unsigned, early 20th century The twin contra-rotating glass discs applied...
A Curta type I mechanical calculator, Contina Limited, Mauren, Liechtenstein, 1964 The circular top with cranked operating handle, clearing lever ...
A George IV brass pantograph
A George IV brass pantograph, Cary, London, circa 1825 The pivoted frame with circular dark green silk covered anchor-weight fitted to an adjustab...
ϒA fine Victorian rosewood magazine of draughtsman’s drawing instruments, J. and W.E. Archbutt, London, late 19th century The interior with moire ...
ϒA substantial late Victorian oak magazine of draughtsman’s drawing instruments, W.F. Stanley, London, circa 1890 The interior with moire silk pad...
ϒA late Victorian rosewood magazine of draughtsman’s drawing instruments, Stanley, London, late 19th century The interior with cobalt blue velvet ...
ϒAn Edwardian/George V oak magazine of draughtsman’s drawing instruments, Stanley, London, early 20th century The interior with moire silk padded ...
ϒA late Victorian oak magazine of draughtsman’s drawing instruments, W.F. Stanley, London, circa 1890 The interior with moire silk padded lining t...
ϒA Victorian mahogany cased set of drawing instruments, Elliott, London, mid 19th century The interior with maroon velvet lined lid over fitted li...
ϒA walnut cased set of drawing instruments, signed for Grayson, mid 19th century The interior with green moire silk lid applied with ivory paralle...
ϒA George III shagreen cased set of drawing instruments, unsigned, late 18th century The interior with dark blue velvet flap lid to lid enclosing ...
ϒA George III shagreen etui of drawing instruments, Nairne and Blunt, London, late 18th century The tapered case with hinged lid enclosing fitted ...
ϒA George III shagreen etui of drawing instruments, J. Bleuler, London, circa 1800 The tapered case with hinged lid enclosing fitted interior cont...
ϒA George III shagreen etui of drawing instruments, unsigned, circa 1800.The tapered case with hinged lid enclosing fitted interior containing an ...
ϒA George III shagreen etui of drawing instruments, unsigned, circa 1800.The tapered case with hinged lid enclosing fitted interior containing an ...
ϒA William IV shagreen etui of drawing instruments, J. Livings, London, circa 1835 The tapered case with hinged lid enclosing fitted interior cont...
A George III shagreen etui of drawing instruments, unsigned, circa 1800 The tapered case with hinged lid enclosing fitted interior containing bo...
ϒA French cased set of drawing instruments, the case inscribed for Charles Recordon, 1847 The velvet-lined interior with ivory parallel ruler with...
ϒA Regency cased set of drawing instruments, R. Huntley, London, circa 1825 The interior with red velvet flap to lid enclosing ivory sector and an...
Two Victorian mahogany cased sets of portable diamond scales, De Grave, Short and Company, mid 19th century Each with sculpted metal pivoted bea...
Two French mahogany cased sets of portable diamond scales, Geoffroy Langvin, Paris, mid 19th century Each with sculpted steel pivoted beam incor...
A George III engraved brass draughtsman’s protractor rule, George Adams, London, circa 1770 The rectangular plate with canted edges engraved wit...
ϒA substantial collection draughtsman’s protractor rules, sectors, metal protractors and parallel rules, various makers, circa 1800 and later Comp...
ϒA comprehensive selection of brass, ivory and steel draughtsman’s pens and compasses, various makers, first half of the 19th century and later Co...
A large mahogany and brass divider/compass, inscribed with owner’s name J. Ogilvie, 19th century With interlocking knuckle hinge pivot connectin...
A French rhodium or chrome plated brass camera lucida, P. Berville, Paris, circa 1900 With two-draw telescopic arm fitted with universal pivot c...
A rare portable aneroid altimeter calibration pressure chamber, R. W. Munro limited, for use by the Air Ministry, London/Harlow circa 1940 The cyl...
An ebonised barograph with thermometer, unsigned, early 20th century The mechanism with eight segment aneroid chamber connected via a gilt brass a...
ϒA Victorian gilt brass cased aneroid pocket barometer, Elliott Brothers, London, third quarter of the 19th century The 1.75 inch circular silvere...
A rare Swiss electroplated aneroid pocket barometer compendium with altimeter, thermometer and compass, the register inscribed for E. Benzoni, Gen...
ϒA Victorian Aneroid barometer and mercury thermometer desk compendium, Dollond, London, late 19th century The barometer with 2.25 inch circular s...
A gilt brass aneroid barometer and a brass weather forecasting calculator, Negretti and Zambra, London, early 20th century The barometer with 3....
A brass aneroid desk barometer with thermometer, Troughton and Simms, London, late 19th century The 4.25 inch circular silvered register with cu...
ϒA fine and rare George III mahogany mercury mountain stick barometer, Dollond, London, late 18th century The slender square section mahogany case...
A Scottish George III mahogany mercury stick barometer, Laurence Dalgleish, Edinburgh, circa 1800-10.With line-edge concave pediment over inset ar...
A rare George III mahogany angle barometer, unsigned, late 18th century With a particularly long angled silvered scale calibrated from 27.5 to 3...
A George III mahogany mercury stick barometer with hygrometer, John Hawting, Oxford, circa 1790 The chevron line inlaid and crossbanded case wit...
A George III mahogany mercury tube stick barometer, Lincoln, London, circa 1800 With open triangular pediment over rectangular glazed silvered bra...
ϒA fine and unusual William IV mahogany wall mounted mercury pillar barometer, Dollond, London, circa 1830 The domed leaf-carved top panel with ci...
A Regency inlaid mahogany mercury wheel barometer, F. Lombardini, Totnes, early 19th century With open triangular pediment and marquetry rosette...
A Regency figured mahogany mercury wheel barometer, Cary, London, circa 1825 With swan neck pediment above fine bowfronted Fahrenheit scale merc...
A fine patinated brass garden sundial with equation of time, W.N. Last, Bury St. Edmunds, mid 19th century The 10 inch circular plate applied wi...
An English patinated brass garden sundial, W. and S. Jones, London, early 19th century The 8 inch circular plate fitted with angled gnomon set a...
ϒAn ebony and brass navigational octant, Spencer, Browning and Rust, London early 19th century The 11 inch frame incorporating central T-shaped ha...
A Chrome plated ship’s binnacle compass, Kelvin White for Danforth/White, Portland MA, mid 20th century The black floating card annotated with t...
A brass ship’s bulkhead timepiece, Mercer, St. Albans, mid 20th century The frosted brass eight-day single train movement with platform lever es...
An English nickel-chromium plated steel watchmakers precision pillar drill, I.M.E., London, early to mid 20th century With cylindrical column fi...
An unusually large brass and iron clockmaker's uprighting tool, stamped for Robert North and Sons, Bushey, probably late 19th/early 20th century ...
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