細節
AN EMPIRE ORMOLU PETITE SONNERIE PORTICO MANTEL CLOCK: 'PENDULE PORTIQUE'
BY BOULU, ELEVE DE LEPINE A PARIS, DATED 16 DECEMBER 1814
The case of typical form, with interlaced monograms NB/DB/RB/AB to the plinth, on giltwood plinth and under later gilt-paper-bound glazed cover, the dial with ormolu bezel to white enamel chapter ring, engine-turned ormolu center signed on a reserve BOULU E.VE DE LEPINE A PARIS.16 DBRE 1814, enamel seconds ring, blued steel Breguet hands, the twin barrel movement with dead beat pinwheel escapement with spring suspension, cadrature to back plate, with petite sonnerie using two hammers on two bells and repeating grande sonnerie with two further hammers; gridiron pendulum, winding key
20 in. (51 cm.) high, 10 5/8 in. (27 cm.) wide, 6¼ in. (16 cm.) deep (the clock)