A Victorian silver cased aneroid pocket barometer with

A Victorian silver cased aneroid pocket barometer with altimeter scale John Browning, London, 1871 The 1.75 inch open-centred circular silvered register signed JOHN BROWNING, LONDON, and inscribed within concentric scale calibrated for barometric inches divided into fiftieths within rotating outer scale calibrated in feet from 0 to 4,450 and divided for 25 foot intervals, the pocket watch type case with suspension ring, machined circumference and engine-turned back centred with a vacant scroll cartouche, marks for London 1871, diameter 5cm (2ins). Provenance: Private collection, Hampshire (ref. B60). John Browning is recorded in Banfield, Edwin BAROMETER MAKERS AND RETAILERS 1660-1900 as working from various addresses in London from 1662 until after 1900; he was Optical & Physical Instrument Maker to Her Majesty s Government, The Royal Observatory and Kew Observatory .