Edwardian Barograph with Barometer, Negretti & Zambra, London

Edwardian polished oak cased barograph with bevelled glass panels.


Brass base plate stamped ‘Regent, Jewelled movement supporting the ten vacuum chambers linking the ink pen pointer to the revolving clockwork drum and to the silvered barometer dial. A silvered plaque with the number R/29867


The dial has five weather indications and central ’blued’ steel pointer and is signed Negretti and Zambra, London.


Original ink bottle, double chart drawer and standing on bracket feet.  C.1930


‘Negretti & Zambra’ were undoubtedly the most famous barograph and instrument makers of the day.  The firm had premises at Hatton Garden, Cornhill, Regent Street and Fleet Street and were appointed ‘Instrument makers to her Majesty’.

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