Important Collectors Wristwatches Po...
Geneva, Hotel Des Bergues, Oct 21, 1995
LOT 186
Dent, London, circa 1880. Demonstration model of the Earnshaw chronometer escapement, formerly on display in the premises of E. Dent & Co.
CHF 4,500 - 5,000
Sold: CHF 5,980
M. Vertical layout, the train planted between bridges on a brass bar, small gilded going barrel, wound by a knurled button, with power for approximately one hour gilded wheels secured by screws onto lantern pinions. Earnshaw pattern escapement with polished steel spring-detent, gold-alloy (?) passing spring, steel locking pin and roller, balance staff with bluedsteel end-plates, plain brass balance with adjustable ciruclar weights and timing screws. Helical bluedsteel spring, free-sprung with terminal curves. Mounted on a turned mahogany base with glass dome. In very good condition. Height: 25 cm. exclusive of dome.
