拍品 72
72
A Victorian helical-geared small skeleton timepiece, the silvered frame with double-screwed pillars, single chain fusee with helical gearing to the anchor escapement with steel suspended silvered pendulum, the silvered engraved Roman dial signed C.MacDowall Patent Helix Lever, 21 Church St. Kensington, on stepped base and oval wood plinth

细节
A Victorian helical-geared small skeleton timepiece, the silvered frame with double-screwed pillars, single chain fusee with helical gearing to the anchor escapement with steel suspended silvered pendulum, the silvered engraved Roman dial signed C.MacDowall Patent Helix Lever, 21 Church St. Kensington, on stepped base and oval wood plinth
10in. (25.5cm.) high
出版
F.B. Royer-Collard, Skeleton Clocks,pp. 62-3, figs. 3-49 & 50

拍品专文

Charles MacDowall, 1790-1873, accredited with the invention of the helical geared clock. His new invention was exhibited in the 1851 Great Exhibition but with little aclaim, primarily due to other German clocks also exhibiting with similar gearing