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Edwardian Mahogany Cased Barograph by Negretti & Zambra, London.
Fine Edwardian mahogany cased barograph with bevelled glass panels and central chart drawer.
Seven vacuum chambers linking the recording arm to the eight day revolving drum with lever escapement.
Original ink bottle and holder with dipper. Pen setting knob to the brass base plate inscribed Negretti & Zambra, London. Circa 1910.
‘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’.
Condition report
very good conditionThe BADA Standard
- Since 1918, BADA has been the leading association for the antiques and fine art trade
- Members are elected for their knowledge, integrity and quality of stock
- Our clients are protected by BADA’s code of conduct
- Our dealers’ membership is reviewed and renewed annually
- Bada.org is a non-profit site: clients deal directly with members and they pay no hidden fees
