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Preisdatenbank abonnierenAN UNUSUAL GILDED CASED JAEGER BAROMETER CIRCA 1950S. D: A clear glass dial with Barometer, Altidude and Milibars sales and Thermometer dial. C: Circular shaped case with bakerlite base, case dimensions are approx 170mm/164mm, D: In perfect condition. M: In working order at present. C: In good condition but has tarnished over the years, no damage. D: Dial / M: Movement / C: Case
Science – perpetual motion remarkable manuscript discussion in the hand of the Earl of Stanhope, dated Chevening House, near Sevenoaks, Kent, October 15th 1815 : ‘....perpetual motions are of two distinct kinds; the one is physical, the other is mechanical. The first sort depends on such alterations in our atmosphere &c as are capable of being measured by he barometer thermometer, hygrometer, pyrometer, electrometer &c &c...the second sort or the mechanical has been repeatedly demonstrated to be impossible and for the following reason. This second sort is founded on the power of gravity...’ Charles, 3rd Earl Stanhope, was both a politician and a scientist, and is best known for his inventions of the printing press and the lens which both bear his name.
A late Victorian wheel thermometer, the architectural oak case with broken arch pediment above doric reeded columns either side of the barometer, the circular silvered 10in barometer dial inscribed Spiridion Optician Cardiff, brass bezel to the glazed cover, carved foliage corners, dentil friezes. 109cm long.
A MID-VICTORIAN WALNUT-CASED DESK OR TABLE BAROMETER, the visible mechanism within a silvered dial, with thermometer and signed F. Newbery & Son, 37 Newgate St. London, the case with foliate crest, urn finials, carved with fruit and foliate swags and on a rectangular lappet-carved plinth on brass ball feet. Length 52cm
AN ENGLISH BRASS ANEROID BAROMETER the silvered dial engraved with scales of 27.5 to 31.5 inches and degrees Fahrenheit for the curved tube thermometer, inscribed Aneroid Barometer, plush lined maroon morocco case signed Callaghan London, c1870 ++In good condition, the case a little scuffed, instrument untested
AN ENGLISH SILVER POCKET ANEROID BAROMETER BY J H STEWARD the silvered dial divided with scale of 0 to 15000 feet and inscribed Compensated J H Steward 406 & 66 Strand & 54 Cornhill LONDON 838 in watch type case, the back engraved with strapwork and flowers around two crests, the band inscribed Edmund Chisholm Batten from his nephew H C G B 1872, 5cm diam, hallmarked on ring, in plush lined maroon morocco case, the underside of the lid inset with maker`s ivory circular thermometer and compass, the mother of pearl rose signed SINGER`S PATENT, 1872 ++Ivory thermometer scale damaged, otherwise fine. Instrument untested
AN EDNEY SWING HYGROMETER BY JOHN DAVIS & SON (DERBY) LTD the two thermometers mounted in brass, one side blackened, with hinged ebony handle, 21cm l, in fitted mahogany box with sliding lid and a Sikes`s hydrometer, by Dring & Fage, the ivory thermometer with maker`s trade mark, brass float and weights, plush lined mahogany case with ivory label, both 19th c (2) ++Hygrometer in good condition, the box somewhat worn and scratched. Hydrometer in good condition, the ivory yellowed with age but not split. One of the weights missing
A Victorian oak mercury stick barometer. Chadburn and Son, Liverpool, circa 1870. The bevel-glazed canted bone vernier scale calibrated in barometric inches and with the usual observations opposing mercury Fahrenheit scale thermometer beneath arch signed CHADBURN & SON, 71 LORD ST. LIVERPOOL to upper margin, with vernier adjustment square to the top of the plain rectangular section trunk terminating with a moulded domed cistern cover to the rounded base, 90cm (35.5ins) high. The firm of Chadburn and Son are recorded in Banfield Edwin BAROMETER MAKERS AND RETAILERS 1660-1900 as working from 71 Lord Street, Liverpool 1857-75.
A brass Fortin pattern mercury laboratory stick barometer. Negretti and Zambra, London, late 19th century. The instrument with suspension ring above cylindrical glazed silvered vernier scale calibrated in barometric inches and signed NEGRETTI & ZAMBRA, Scientific Instrument Makers, LONDON to left hand border and numbered 2918 above lower collar, the slender cylindrical shaft with vernier adjustment screw and applied mercury Fahrenheit scale thermometer, the base with part-glazed cylindrical cistern and adjustment screw to base, mounted via a brass upper hook and a bottom collar with three locating screws onto a rectangular moulded oak panel for wall mounting, the instrument 102cm high, 117cm (46ins) high overall. The firm of Negretti and Zambra are recorded in Banfield, Edwin BAROMETER MAKERS AND RETAILERS 1660-1900 as being established in 1850 when a partnership between Enrico Negretti and Joseph Zambra was formed. The firm became one of the most prolific makers of scientific instruments and continued trading well into the 20th century.
A large Victorian mother-of-pearl inlaid mercury wheel barometer. Charles Maspero, Manchester, mid 19th century, The 12 inch rococo scroll engraved circular silvered register calibrated in barometric inches and with the usual observations beneath bowfronted alcohol Fahrenheit scale thermometer and hygrometer to the swan neck pediment, the square base with rectangular spirit level signed CHARLES MASPERO, MANCHESTER, the case with fine mother-of-pearl foliate marquetry borders and cavetto moulded underside to base, 118cm (46.5ins) high. Charles Maspero is recorded in Banfield, Edwin, BAROMETER MAKERS AND RETAILERS 1660-1900 as working in Manchester circa 1850-70.
A Victorian mahogany mercury wheel barometer. S. Lelli, Newport, Isle of Wight, mid 19th century, The 6 inch silvered scroll centre engraved circular register calibrated in barometric inches and with the usual observations, beneath ebonised reeded bordered convex mirror and arched alcohol Fahrenheit scale thermometer and hygrometer to the swan neck pediment, the rounded base inset with a spirit level signed S. LELLI, NEWPORT 94cm (37ins) high. S. Lelli is recorded on Banfield, Edwin BAROMETER MAKERS AND RETAILERS 1660-1900 as working from Newport, Isle of Wight 1839-55.
A fine George III mahogany stick barometer. Dollond, London, circa 1800. With broken triangular pediment above recessed silvered vernier scale calibrated in barometric inches, with the usual observations and signed Dollond, London near the upper margin behind hinged glazed brass door, the waisted caddy moulded trunk inset with a large Fahrenheit scale mercury thermometer behind a conforming brass framed door, the rounded base with moulded circular cistern cover and vernier adjustment screw to base, 102cm (40ins) high. Peter Dollond is recorded in Banfield, Edwin BAROMETER MAKERS AND RETAILERS 1680-1860 as born 1730 and died 1820. He was the son of John Dollond, a Huguenot silk weaver and started business as an optician in 1750. He was joined by his father in 1752 until his death in 1761, and then by his brother, John, until his death in 1804. The family business was continued by Peter Dollond`s nephew, George Huggins, who changed his name to Dollond. George Dollond became instrument maker to William IV and Queen Victoria, exhibited at the Great Exhibition in 1851 and died 1856.
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