07-25-200907-25-2009
Skinner Auctions
Skinner AuctionsMarlborough MA
July 25, 2009 10:00 AMCalender
61

Demonstration Model of Chronometer Detent Escapement

Sell one like this
$3,851$3,250
Auction: Clocks, Watches & Scientific Instruments - 2447Location: MarlboroughDate / Time: July 25, 2009 10:00AM

Description:

Demonstration Model of Chronometer Detent Escapement, 20th century, the fusee movement with oversize bi-metallic compensation balance, brass adjustment screws and weights, steel table roller fitted to balance staff, blued steel helical hairspring, steel spring locking detent, engraved bridge and base plate marked Chronometer and ARD, in a walnut stand with glazed cover, wd. 9 1/2, dp. 8, ht. 8 in.
Estimate $2,000-3,000

The fusee movement enclosed within the walnut box is a re-used dial clock plates with only the fusee, mainspring and barrel. The engraved plate with inscription and oversize balance and detent is mounted to the re-used plates.

Keywords

steel helical hairspring, steel spring locking detent, steel table roller