Thematic Auction in Geneva:The Evolut...
Hotel Noga Hilton, Geneva, Nov 16, 2002
Interesting document from the maison Bre-guet, 29 in-quarto ma-nuscript pages, dating from circa 1820.
C. This is a journal de marche of two scientific clocks of Breguet " marchant ensemble " (wor-king together), from Tuesday April 30 until Thursday July 4 juillet, with daily observations of their variations, their adjustment, their win-ding, their temperatures.