A mahogany cased barograph Wilson, Warden and Company Limited, London, late 19th century The lacquered brass mechanism incorporating seven segment aneroid chamber and system of levers for recording the change in barometric pressure via an inked pointer onto an appropriately scaled paper wrapped around the rotating clockwork driven recording drum, the baseplate fitted with calibration screw and stamped WILSON, WARDEN & Co. LTD, LONDON., No. 2617/28/53 to front edge, contained beneath hinged mahogany cover with japanned metal carrying handle to top and incorporating glazed apertures to front and left hand side, the integral base with spare pointer drawer to right hand side and squab feet, 31cm (12.25ins) long. Wilson Warden and Company are recorded in Banfield, Edwin BAROMETER MAKERS AND RETAILERS 1660-1900 as working in London circa 1880-1900. They are also recorded in the online records of GRACE’S GUIDE as working from 28-30 Pear Tree Street, Goswell Road, London, EC1 and exhibited at the 1929 British Industries Fair (stand no. J24) where they are described as ‘Manufacturers of Aneroid Barometers (Pendant, Nautical and Surveying types), Barographs, Thermographs, Hydrographs, Recording, and Scientific Instruments. Wood Cases for Timepieces, Grandfather and Grandmother, chiming and striking clocks of every description’.
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AN EBONISED MAHOGANY BAROGRAPH, GREY & SELBY, NOTTINGHAM, EARLY 20TH C the lacquered brass mechanism with mercury thermometer and moulded base with chart drawer, the glazed cover with bevelled lights, 37cm l++An excellent example in original condition. The clockwork mechanism in apparently good working order
Modern mahogany and boxwood line inlaid barograph, E L B Barometer, Dereham, Norfolk, the plinth shaped case fitted with a compartmentalised single drawer with a glazed five-panel lift off cover with baluster turned corners to a lacquered brass movement with seven section bellows and with indicator pen to an 8-day spring driven movement with drum case and applied paper label, width 38cm
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