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Oak cased barograph signed Negretti & Zambra, London on the brass bed plate, with seven tier vacuum also fitted with a thermometer, within a bevelled glazed stepped case over a chart drawer, 37.5cm x 23cm x 21cm high (overall)Condition report: Good clean condition, however, mechanical parts have not been tested
AN EXCEPTIONAL WEATHER STATION BY NEGRETTI & ZAMBRA, CIRCA 1880 the clock with 7in. painted dial signed as per title with black spade hands, subsidiary seconds and single winding arbour to chain fusée movement, mounted within ebonised drum metal case with top lever seconds adjustment and pendulum access to rear with connecting rods to lacquered brass recording drum and aneroid barograph, countersigned and inscribed Scientific Instrument Makers London with pencil drive located at “11 o’clock”, all set on a brass bedplate to wooden shelf with curved bar thermometer, contained within wooden case with glazed drop-front and chart and accessory drawer under, overall dimensions -- 18 x 25¼ x 8½in. (46 x 64 x 21.5cm.)Condition report: dials a little rubbed, movement appears to be in good overall condition but hasn’t run for many years and a service would be advised.
An early 20th century oak cased recording barograph by Kelvin & James White, Glasgow: the four inch recording drum on a lacquered brass baseplate with single stack of eight atmosphere drums and cantilever recording arm, fitted bottle holder under a glazed case with single drawer to base, (base requires attention to joints)20 x 36 x 21cm.
An early 20th century oak barograph with bevelled glass top and sides, bears ivorine plaque 'Archer and Sons, 43 Lord Street, Liverpool', lacking drawer, 37cm wide x 23cm deep x 22cm highCondition report: Lacking drawer. Top of frame on back left hand corner opened slightly. Oak with some superficial marks, could do with a polish. Ink leakage from pot on stand. Slight discolouration and some marks on lacquered brass. Not known if in working order.
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