AN EARLY AVIATOR'S ANEROID WRIST BAROMETER WITH ALTIMETERF.E. BECKER ANDPANY, LONDON, EARLY 20th CENTURYThe 2.25inch circular silvered register calibrated in barometric inches ranging from 22 to 31 and inscribedpensated over signature F. E. BECKER & Co., SUCCESSORS, W & J GEORGE LD 1897, HATOON WALL, LONDON to centre within boldly annotated rotating outer altimeter scale calibrated 0 to 10000 feet divided for every hundred feet and highlighted in red for every five hundred feet, set behind bevel-glazed rotating milled bezel, the cylindrical lacquered brass case mounted visa rivets onto a leather wrist strap with brass buckle; together with an Altimeter previoly fitted to a WWII Halifax Bomber, with 3.25 inch white and green on black scale calibrated in THOANDS OF FEET, 0 to 20 divided for every 200 feet, the centre inscribed HEIGHT over MK IIIB 141, the cylindrical bakelite case with three drilled mounting lugs and a knob for rotating the scale, the rear with A.M. crowned sypher for HM Air Ministry, (2).The aneroid barometer 6cm (2.375ins) diameter, 2cm (0.75ins) deep; the altimeter 9cm (3.75ins) diameter, 5cm (2ins) deep excluding connector.Provenance: The exhibition collection of Barometer World Meum, Merton, Devon.The firm of F.E. Becker andpany Successors W. & J. George Limited was established in 1897 when W. and J. George purchased the biness of F. E. Becker who are recorded in Banfield, Edwin BAROMETER MAKERS & RETAILERS 1660-1900 as working from 33-37 Hatton Wall, Hatton Garden, London from 1884.The aviator's wrist barometer in the current lot is a relatively rare example which would have been ed during the early years of aviation. The large size of the strap and bold clear dial are ideally suited for e in an open cockpit with the instrument strapped over the sleeve of a heavily insulated flying jacket.