Description
Negretti & Zambra Pocket Barometer
Negretti & Zambra Pocket Barometer. A pocket barometer by Negretti & Zambra. Silvered face which has some discolouration due to age. Pressure test indicates that it is in full working order. The case is in good condition although the latch doesn’t work. Clean gilt coloured body.
Enrico Negretti and Joseph Zambra started their company in 1850, which was run by them and their descendents until well after WWII. They had shops firstly in Regent Street and later on at Holborn Viaduct. The company was highly successful from the start, winning a medal at the Great Exhibition in 1851 and counting among their customers the Astronomer Royal, Prince Albert, the Royal Observatory and Admiral Robert Fitzroy. In the early days they specialised in barometers and thermometers, particularly those required for taking deep sea and atmospheric measurements, which until they came on the scene were terribly unreliable. Later on they increased their range to include telescopes, gun sights, theodolites and similar optical instruments. During World War II, N&Z expanded substantially to meet the demand for instruments for war planes in particular. Their instruments were also produced under licence to supply the USAAF.
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