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A SCOTTISH REGENCY EXPOSED TUBE MAHOGANY STICK OR CISTERN BAROMETER, EARLY 19TH C P SHARP COLDSTREAM with engraved, lacquered brass register and vernier in chevron veneered case with barber pole stringing, the oval cistern cover with patera, 96cm h++Cistern cover broken in two, lacquer on brass discoloured but in basically original and unrestored dirty condition
A George III strung mahogany stick barometer by A. Grigo of Holborn, the broken architectural top over a silvered rectangular dial, signed 'A. Grigo 27 Leathr. Lane, Holb.', with aneroid thermometer and mercury tube with slide vernier, over a feather banded trunk and domed reservoir cover, 38in. (96.5cm.) high.
A mahogany checker banded stick barometer by Committi and Son of London, with a silvered dial, the case with a swan neck pediment centred with a turned brass finial, the turned cistern cover engraved with a presentation plaque relating to the firm of Pick Everard Keay, presented to a Geoffrey W Ireland, 98cm L.
ϒA Victorian oak mercury farmer’s stick barometer with wet and dry bulb thermometers W.R. Jeffrey, Saffron Walden, circa 1870 With concave upstand to the cavetto moulded cornice over ivory Vernier scale calibrated in barometric inches and annotated with Fitzroy’s foretelling flanked by Centigrade DRY BULB and WET BULB thermometers the latter with bulb wrapped in hessian draped into a glass water reservoir, the upper margin inscribed W.R. JEFFREY, Saffron Waldon, the slender trunk with visible tube over ogee moulded panel cistern cover to the rectangular base with level adjustment screw to underside, 98.5cm (38.75ins) high. W.R. Jeffrey is recorded in Banfield, Edwin BAROMETER MAKERS AND RETAILERS 1660-1900 as working in Saffron Walden circa 1850-70 The form current lot conforms to Negetti and Zambra’s Patent farmer’s barometer where the difference in readings between the wet and dry thermometers indicate the level of evaporation occurring from the wet bulb, hence providing an relative indication in the change of atmospheric humidity. ϒ Indicates that this lot may be subject to CITES regulations when exported. Please see our Terms & Conditions for more information.
A brass Kew Pattern marine mercury stick barometer F. Darton and Company Limited, London, circa 1933 The cylindrical silvered scale calibrated in barometric inches divided into twentieths opposing millibar scale with Vernier slide fitted flush within the central tube viewing aperture, the lower margin signed F. DARTON & Co. LTD, LONDON beneath No. 38/48. the upper margin engraved with crown motif over A.M., 4PP/1933, set behind cylindrical glass collar with brass suspension ring to top plate above Vernier adjustment screw, further plate repeat engraved with crown motif etc. and gimballed support to the slender cylindrical trunk applied with mercury tube Fahrenheit and Absolute thermometer, the base with moulded cylindrical iron cistern cover, 94cm (37ins) high; with mahogany plate fitted with brass sleeve bracket for wall mounting. The firm of Francis Darton and Company are recorced in Banfield, Edwin BAROMETER MAKERS & RETAILERS 1660-1900 as working at several addresses on St. John Street, London from 1834 and were still trading until the 1990’s. The current lot is made to the pattern of standard marine barometer devised by Patric Adie and John Welsh of the Kew observatory in 1855.
A George II/III mahogany mercury stick barometer J. Hogben, Rye, mid 18th century The break-arch silvered brass scale incorporating MOIST/DAMP, HYGROMETER scale with arbitrary calibrations 0-10 in both directions over herringbone bordered signature panel engraved J. Hogben, Rye Fecit and BAROMETER scale calibrated in barometric inches and with summer and winter observations next to a mercury tube Centigrade scale THERMOMETER within herringbone engraved surround, the trunk with visible tube over pagoda-shaped cistern cover enclosing syphon bulb and with cavetto moulded underside, (hygrometer incomplete, Vernier slide lacking), 93cm (36.5ins) high. J. Hogben of Rye does not appear to be recorded in the usual sources however a Thomas Hogben is recorded in Loomes, Brian Watchmakers and Clockmakers of the World, Volume 2 as working in nearby Smarden, Kent, 1740-92. The form of the current lot appears to be based on Benjamin Martin’s ‘Triple Weather Glass’ developed in London during the middle years of the 18th century.
A George III mahogany mercury cistern tube stick barometer Thomas Ribright, London, late 18th century With open triangular pediment over inset silvered scale with recording slider and calibrations in barometric inches beneath engraved signature T. Ribright, London to the right hand side, opposing mercury Fahrenheit scale thermometer within arched herringbone engraved panel to the left, the caddy moulded trunk with applied shaper apron panel to throat and exposed tube flanked by veneers arranged cross-grain angled forty-five degrees upwards above ovoid base applied with inverted half acorn shaped cistern cover, 96cm (37.75ins) high. Thomas Ribright (II) is recorded in Clifton, Gloria Directory of British Scientific Instrument Makers1550-1851 as working 1783-1806.
A pair of mahogany bow fronted cased stick barometer and thermometer of early 19th Century design, in the manner of J. Smith, North Gate, Royal Exchange, London, the barometer with engraved silvered scale and vernier, the thermometer with mercury tube and engraved silvered scale, both contained in figured mahogany veneered bow fronted case, bowed glazed panels below moulded scroll pediments, with split turned vase pattern cistern covers, both 39ins high Note: A James Smith was recorded working Royal Exchange, London, fl. 1817-1828
A SCOTTISH REGENCY EXPOSED TUBE MAHOGANY STICK OR CISTERN BAROMETER, EARLY 19TH C P SHARP COLDSTREAM with engraved, lacquered brass register and vernier in chevron veneered case with barber pole stringing, the oval cistern cover with patera, 96cm h++Cistern cover broken in two, lacquer on brass discoloured but in basically original and unrestored dirty condition

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5920 item(s)/page