Very fine and rare month-going astronomical center-seconds mantle regulator; Mugnier a Paris, circa 1820.

Very fine and rare month-going astronomical center-seconds mantle regulator; Mugnier a Paris, circa 1820. Precision Timekeeper with 5 Complications, Mugnier a Paris, circa 1820. Very fine and rare month-going astronomical center-seconds mantle regulator with triple calendar and phases and age of the moon, striking hours and half hours. C. Rectangular, mahogany veneered, front panel with applied fluted wooden moldings, veneered base supported by four gilt brass bear paws, glazed window in the lower part with ormolu frame, hinged veneered door in the back. D. Circular, white enamel with Roman numerals, inner hour divisions, outer minutes and seconds divisions, winding apertures at 4 and 8 o'clock. Blued steel Breguet hands. Two subsidiary dials at the bottom, the one to the left with phases of the moon and its age in the sectorn the top border, the one to the right with days of the week, date and months, hinged ormolu bezels on each. M. Circular, 13,7 cm, brass, cylindrical pillars, pin-wheel escapement with the escape wheel set outside the back plate, half second-beating pendulum with heavy gilt brass bob and steel rod, knife-edge suspension, micrometric beat adjustment on the crutch, calendar mechanism set on separate V-shaped frame, striking on a large bell with count wheel on the back plate. Signed on the dial. Dim. Height 46 cm, width 27 cm.