Collector's Pocket Watches, Wristwatc...
Noga Hilton, Geneva, Apr 12, 2003
LOT 237
Important Group of Manuscript Documents,in Majority Dictated by Abraham Louis Breguet to his Son.Breguet manuscript.
CHF 3,000 - 4,000
EUR 2,000 - 2,800 / USD 2,200 - 3,000
Sold: CHF 34,500
Very important reflections about the modifications to be made to the detent escapement, as suggested by his pupil Urban Jürgensen, as well as notes on the construction of thermometers.4 pages, recto-verso.
