Description
Negretti & Zambra Pocket Barometer
Negretti & Zambra Pocket Barometer. A lovely small cased pocket barometer by Negretti & Zambra. In great condition in its original case. Approximately 46mm diameter and 18mm deep. Pressure tests indicates that it is in full working order. Case is perfect and the catch works well.
Negretti and Zambra (active 1850 – c. 1999) was a company that produced scientific and optical instruments and also operated a photographic studio based in London.
Henry Negretti (1818–1879) and Joseph Zambra (1822–1897) formed a partnership in 1850, thereby founding the firm which would eventually be appointed opticians and scientific instrument makers to Her Majesty Queen Victoria, Prince Albert and King Edward VII, the Royal Observatory and the British Admiralty. Henry (Enrico Angelo Lodovico) Negretti was born in Como, Italy. Joseph Warren Zambra was born in Saffron Walden, Essex the son of Joseph Cezare Zambra and Phyllis Warren.
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