Collector's Pocket Watches, Wristwatc...
Noga Hilton, Geneva, Apr 12, 2003
Three manuscript letters:Written between 1870 and 1875, from Marcelin Berthelot (1887-1907) to Louis-Clément Breguet. Berthelot was a chemist and member of the Académie des Sciences, and future Ministre de l'Instruction Publique and Affaires. Etrangères, as well as being the husband of Sophie Niaudet, the great-granddaughter of Abraham Louis Breguet's sister.