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拍品 34
Pia. An Early Silver Pair Case Quarter Repeating Verge Watch
SIGNED PIA Á PARIS, CIRCA 1680
已结束2011年12月16日
成交价
USD 6,000
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专家说明
Originally used in antique spring-powered mechanical watches and clocks, a fusée is a cone-shaped pulley with a spiral groove and chain used to equalize the power of the mainspring reaching the escapement, improving timekeeping. Initially used in 15th century through early 20th centuries, the fusée has seen modern applications in watches from companies such as A. Lange & Söhne and Breguet. The verge (or crown wheel) escapement is the earliest known type of mechanical escapement, which controls a clock's rate . The name verge comes from the Latin virga, which means stick or rod.