Exceptional Table Regulator With Complications; circa 1860, signed Dussault, 15 Passage Choiseul, on the main dial and Charles & Chevalier Ingénieur/Arthur-Chevalier Fils et Succr, Palais-Royal, 158, Paris on the side glasses.

Paris- style movement of large size, adapted for all the numerous complications and indications displayed on the dials. Steel suspension with _Brocot_- style adjusting rod, pinwheel escapement, with the pins on the same side of the wheel, beating the half-seconds, Ellicott type thermal compensation pendulum, with one steel rod and two brass rods. Countwheel strike for the hours and the half hours on a silvered bell. Autonomy 30 days.

Three enamel dials: the main, signed Dussault, 15 Passage Choiseul à Paris, with Roman numerals and three blued steel hands indicating the hours, the minutes, and the seconds on the external rail, a subsidiary dial above number VI for setting the alarm. The lower left dial with perpetual calendar, indicating the days of the week, the days of the month, the moonphase, the month of the year and taking into account the 28-, 29-, 30- and 31- day months, as well as leap years. The lower right dial with Bourdon type aneroid barometer made by Bourdon & Richard.

High quality ormolu case with five glasses, front and rear doors for easy access and a good view from all sides. Both side glasses each with a mercury thermometer, the one on the left indicating Centigrade and Reaumur scales, the one on the right indicating Centigrade and Fahrenheit scales.