Important collector's watches, wristw...
Hotel Richemond, Geneva, Apr 13, 2002
LOT 207
Breguet, circa 1810. A very important 24-page manuscript written by Abraham Louis Breguet
CHF 6,000 - 8,000
EUR 4,000 - 5,500 / USD 3,500 - 4,700
Sold: CHF 91,500
about the knife-edge clock suspension, in which he compares the system to his pare-chute invention in watches, and remarks on its advantages. Further observations about a regulator suspension and his natural escapement with two wheels.
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