Negretti and Zambra produced the Coastal Barometer for Admiral FitzRoy when he was head of the new Met Office, later known as 'Storm Barometer' see the book by Philip Collins 'FitzRoy and his Barometers'

An inch diameter gold cased ladies barometer by Negretti and Zambra in original presentation case. Negretti and Zambra were the first to reduce aneroid barometers to pocket sizes.

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