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J Lizars oak-cased barograph with label to the glazed case, 'J Lizars Ltd, Glasgow, Edinburgh', above a pull-out drawer, 23cm high, 37cm wide and 23.5cm deep.CONDITION REPORT: Probably serviced/cleaned previously. The knob at the top activates lever and hands on dial, this function is fine. Could be a replacement hand on the dial. Has age-related marks/scratches to the working and further age-related marks/scratches to the case.
A CARPENTER & WESTLEY CASED BAROGRAPH, ENGLISH, EARLY 20TH CENTURY,plaque to the barograph reading Carpenter & Westley, 24. Regent St., London, a brass plque to the base inscribed CAPTAIN H.C. JOHNSON. D.S.O., FROM SOME OF HIS FRIENDS AT THE WAR OFFICE, 16th April 1914the revolving barrel and vacuum chamber mounted in bevel-glazed oak case, drawer to the front for graph storage, 8in x 14 1/2in x 8 1/2in (20cm x 37cm x 21.5cm) overall For further information on this lot please visit Bonhams.com
A late 20th century Sewills gilt brass cylindrical barograph with mahogany base and Perspex cover, height 12cm.Buyer’s Premium 29.4% (including VAT @ 20%) of the hammer price. Lots purchased online via the-saleroom.com will attract an additional premium of 6% (including VAT @ 20%) of the hammer price.
An early to mid-20th century mahogany cased barograph with lacquered brass mechanism and clockwork recording drum, the hinged cover with brass carrying handle above a glazed front and side panel, the base with single drawer, length 35cm.Buyer’s Premium 29.4% (including VAT @ 20%) of the hammer price. Lots purchased online via the-saleroom.com will attract an additional premium of 6% (including VAT @ 20%) of the hammer price.
Englischer Barograph, um 1900Geschnitztes Eichengehäuse, abnehmbares Oberteil mit 4 Säulen und 5 facettierten Glaspaneelen, 38 x 24 x 28 cm, Thermometer mit Fahrenheit- und Celsius-Skalen, 8 Aneroiddosen, 8-Tage-Federwerk, Sockel mit Schublade, mit Farbe und Papier. In mit Seide ausgelegtem und Kunstleder bezogenem Kasten. Start Price: EUR 240 Zustand: (2/2)English Aneroid Barograph, c. 1900Carved oak case, removable top with 4 columns and 5 faceted glass panels, thermometer with Fahrenheit and Celsius scales, 8-tier vacuum, 8-day spring movement, base with drawer, ink bottle and paper strips, 15 x 9 ½ x 11 in., in silk-lined imitation leather covered box. Start Price: EUR 240 Condition: (2/2)
A French barograph in a mahogany case, 28.5cm wide; together with a Captain Field's improved parallel rule in a hardwood case, 45.5cm long; and a surveyors compass, 8.8cm diameter. The barograph with minor marks and scratches to the case, not working; the parallel rule with minor marks and with some losses to the outer case; the compass with minor marks to the lacquer, otherwise good condition.
A late 20th century mahogany cased barograph with brass mechanism and clockwork recording drum, the five-glass cover on a moulded rectangular base, fitted with a single drawer, length 39.7cm.Buyer’s Premium 29.4% (including VAT @ 20%) of the hammer price. Lots purchased online via the-saleroom.com will attract an additional premium of 6% (including VAT @ 20%) of the hammer price.
An Edwardian mahogany cased barograph, by J. Hicks, London, the glazed mahogany case with five bevelled glass panels above a drawer for recording sheets, on bracket feet, bearing ivory plaque for J. Hicks Maker London, containing vacuum bellows, recording drum and glass and brass ink bottle, 24.5cm high, 37.5cm wide, 23cm deepProvenance: Christie's, London, 19 July 1978, lot 19.Please note Roseberys do not guarantee the working condition of any scientific instruments offered for sale.Ivory registration submission reference: H6N9T2TWPlease refer to department for condition report
A wall mounted barograph, Antoine Redier patent, late 19th century, in a hinged, angled glazed mahogany case with hook and eye fasteners opening to an exposed aneroid capsule and movement with altitude adjuster, the silvered scale plate divided for 28 to 31 inches or barometric pressure, inscribed No 143, PATENT 7323, above a recording drum, 26cm high, 15cm wide, 11cm deepProvenance: with City Fine Arts, London, October 1970, £20.Note: The design for this barograph was patented by the famous French clockmaker and inventor Antoine Redier in 1891. In 1847 Redier invented and patented the first travel alarm clock with adjustable wake up timing. His prolific career saw him register over sixty patents including a mercury recording barograph and the example in the present lot produced just a year before his death in 1892.The present lot resolves the inaccuracy caused by friction on the pen arm produced by most standard types of barographs. The pen arm is placed below the movement and works on a horizontal plane. It is cleverly supported by a crutch which is connected to a cam on the clock drum below. Every fifteen minutes, the cam’s movement releases the crutch which applies downwards pressure to the pen and places a dot on the paper.Please note Roseberys do not guarantee the working condition of scientific instruments offered for sale.Please refer to department for condition report
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