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A G Baines (Harrogate) Barograph with eight section vacuum and circular dial 'Stormy Rain Change Fair Very Dry', in mahogany case with bevelled glass lid and plaque 'Presented to Mr J Horner by the staff of the Yorkshire Penny Bank Ltd 31st January 1939'Ticks when wound, stylus and dial pointer appear to operate correctly, Cosmetically Excellent has some fairly minor wear from age, dial can be read clearly
An early 20th Century oak-cased combination barograph and barometerBearing ivorine plaque reading 'Short & Mason, London'Having a five-glass case housing an eight-tier vacuum, lacquered brass furniture and drum with key-wound movement, silvered recording arm, and also incorporating a circular dial with scale from 28 to 31, the plinth base fitted with a chart drawer, raised on bracket feet.38cm wide x 23cm deep x 23cm high (15in wide, 9in deep, 9in high)Condition:Exterior case appears good with only minor signs of age and use. Barometer intact and functioning. Barograph barrel movement winds and runs.
A BARIGO BAROGRAPH, mechanic barograph operated by a battery quartz clockwork inside the metal drum, writing arm to attach a pen, graph paper attaches to the drum, eight stacked pressure probes precisely transferred to the writing arm by mechanical linkage, the varnished mahogany wood case has a modern silver handle, the case opens by a small silver button on the side, Barigo logo inside, 23cm x 15.5cm, depth 14cm (1), (Condition Report: not been tested but appears in good clean condition with no visible damage)
A late 19th century walnut barograph, with carrying handle to the top, glazed to the front and left hand side, hinger to right side, the interior with brass base stamped J.H. STEWARD 406 & 457 Strand, LONDON and celluloid plaque with Patent Applied For, comes with two ink bottles, width 31cm x height 18.8cm x depth 15cm
A SMALL FRENCH MAHOGANY BAROGRAPHMaker’s poinçon mark RF and No 12172With 7cm high drum and five aneroid chambers, with two glazed sides and brass carrying handle18cm wideCONDITION REPORTThe drum is ticking when wound. The brass clip holding the paper to the drum is broken. The case would benefit from a wax.
A LATE VICTORIAN OAK-CASED BAROGRAPHCirca 1895The lift-off top with bevelled glass panels, above the mechanism with eight aneroid chambers on a brass lacquered plate, paper and drum recording dial, the plinth with an inset drawer and spare papers39cm wideCONDITION REPORTIn original condition. The glasses are in good condition. It would benefit from a clean and service. Not tested.
Negretti & Zambra oak-cased micro barograph, with nine-tier vacuum, lacquered brass furniture and mercury thermometer with arched silvered scale, beside an 18cm revolving drum with lever platform escapement, on named lacquered brass bed plate, within glazed oak case on moulded base with chart drawer, 49cm x 28.5cm x 31cm high
A Scottish mahogany cased barograph, early 20th century, containing vacuum bellows, recording drum and ivorine thermometer, the case with five bevelled glass panels, on bracket feet, with ivorine plaque for J. B. Watson EDINBURGH, 19cm high, 37.5cm wide, 22.5cm deepPlease note Roseberys do not guarantee the working condition of any scientific instruments offered for sale.

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3719 item(s)/page