FRENCH SLATE PERPETUAL CALENDAR MANTEL CLOCK WITH BAROMETER, ACHILLE BROCOT, PARIS 19TH CENTURY

FRENCH SLATE PERPETUAL CALENDAR MANTEL CLOCK WITH BAROMETER, ACHILLE BROCOT, PARIS 19TH CENTURY with a two-piece enamel dial with visible Brocot escapement, inscribed REGULATOR GOING ONE YEAR/ ACHILLE BROCOT, above a thermometer and subisidiary barometer and calendar dials with moon phase, the movement stamped 3370 (38cm wide, 45.5cm high, 15.5cm deep) Provenance: Sir Maurice William Ernest de Bunsen (1852-1932), and then by descent