A LOUIS XVIII ACAJOU MOUCHETÉ MAHOGANY MONTH-GOING SIDEREAL AND MEAN TIME ASTRONOMICAL WALL REGULATOR
BREGUET ET FILS, PARIS, NO. 3172. CIRCA 1823
CASE: backboard with detachable glazed-front rectangular case with brass handles DIAL: acanthus cast ormolu bezel to 5½ in. diameter white enamel dial with inner concentric hour ring and signed 'Breguet & Fils', blued steel Breguet main hands, counterpoised seconds hand (replaced) MOVEMENT: with substantial plates, Harrison's maintaining power, dead beat escapement to back plate with adjustable pallets and fine beat adjustment to two-piece crutch, signed 'Breguet et Fils/No. 3172', in brass drum case and suspended from backboard on substantial brass and lead plate with fine adjustable pendulum suspension and three large adjustment screws; nine-rod steel and brass gridiron pendulum with calibrated rating nut to centre of brass-cased bob, engraved above 'TEMS SIDERAL TEMS MOYEN' for either rating system; winding key
59½ in. (151 cm.) high; 13 5/8 in. (34.5 cm) wide; 9½ in. (24 cm.) deep
A LOUIS XVIII ACAJOU MOUCHETÉ MAHOGANY MONTH-GOING SIDEREAL AND MEAN TIME ASTRONOMICAL WALL REGULATOR
BREGUET ET FILS, PARIS, NO. 3172. CIRCA 1823
CASE: backboard with detachable glazed-front rectangular case with brass handles DIAL: acanthus cast ormolu bezel to 5½ in. diameter white enamel dial with inner concentric hour ring and signed 'Breguet & Fils', blued steel Breguet main hands, counterpoised seconds hand (replaced) MOVEMENT: with substantial plates, Harrison's maintaining power, dead beat escapement to back plate with adjustable pallets and fine beat adjustment to two-piece crutch, signed 'Breguet et Fils/No. 3172', in brass drum case and suspended from backboard on substantial brass and lead plate with fine adjustable pendulum suspension and three large adjustment screws; nine-rod steel and brass gridiron pendulum with calibrated rating nut to centre of brass-cased bob, engraved above 'TEMS SIDERAL TEMS MOYEN' for either rating system; winding key
59½ in. (151 cm.) high; 13 5/8 in. (34.5 cm) wide; 9½ in. (24 cm.) deep