72,450 CHF
“30-Day Going” Breguet & Comp. ie, No. 10156, the ebauche by Aimé Jacob. Made circa 1860. Very fine and rare, ebonized, 30-day going center-seconds floor-standing seconds-beating regulator. Ebonised, rectangular cresting above molded cornice, the trunk with glazed paneled doors and locks for the dial and pendulum bob, glazed panel between, molding down to the plinth and mounted over molded base. Rectangular, 13.5 x 12 cm, brass, heavy single weight, five-wheel train, modified Graham dead-beat escapement with jeweled pallets, escape wheel set on the back plate, heavy lentiqulor cylinder pendulum bob mounted to wooden rod, suspended from a double suspension spring mounted to a heavy iron cast bracket fixed to the case, micrometric beat adjustment on the rod. Signed Breguet on the dial, the movement signed Breguet & Comp.ie. Dim. Height 210 cm, base width 50 cm, depth 30 cm. Notes In the advertisement for his clocks Jacob describes himself as a pupil of Berthoud and Breguet. Jacob became famous for his one year-going clocks, which were very rare before the last quarter of the 19th century. They became popular only after the invention of the torsion pendulum. From the mid-18th Century, regulators started to be made by clockmakers not only for observatories but for their own use to set watches and for many of the important houses and country estates. These “domestic” regulators frequently employed wood rod pendulums with heavy brass bobs. The wood rod pendulum was ideal becau
Auctioneer:
Antiquorum
Date:
2005-11-13
