细节
A French perpetual calendar four-glass table clock
Circa 1880
The later? gorge brass case with bevelled glasses, upper white enamel annular Roman chapter ring with blued moon hands, gilt recessed centre with visible Brocot escapement with jewelled pallets, perpetual calendar dial below with outer month ring, inner subsidiary rings for day of week and date and rolling moonphase, the twin barrel movement with strike on a bell and numbered 414/87, the perpetual calendar movement below stamped Deposée 237, later pendulum
15 in. (38 cm.) high