LOT 75 AN BLACK CRACKLE FINISH STEEL CASED MICRO-BAROGRAPH
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AN BLACK CRACKLE FINISH STEEL CASED MICRO-BAROGRAPHSHORT AND MASON, LONDON, CIRCA 1938The mechanism with eleven-segment aneroid chamber connected via a gilt brass armature to an inked styl for recording the change in barometric pressure on an enlarged clockwork-driven paper scale lined drum to take millibar charts measuring 457 by 189 mm, the baseplate inscribed with Met. Office M.O. monogram over MICRO-BAROGRAPH, BY, SHORT & MASON, LONDON, MADE IN GREAT BRITAIN, No. 292/38, the case with glazed five glass cover incorporating brass carrying handles to sides over cavetto moulded base fitted with styl lever and marking plunger over cylindrical feet.26cm (10.25ins) high, 37cm (14.5ins) wide, 22cm (8.625ins) deep.Provenance: The exhibition collection of Barometer World Meum, Merton, Devon; acquired direct from the Meteorological Office.The firm of Short and Mason are recorded in Banfield, Edwin BAROMETER MAKERS & RETAILERS 1660-1900 as operating from 62 Hatton Garden, London 1873-75 then 40 Hatton Garden from 1876. They were leading makers of barographs and aneroid barometers well into the 20th century later merging with Taylor Instruments in 1969.
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