
Nicolas Fatio de Duillier, a Swiss mathematician developed and patented a method of perforation of bearing stones (jewels) in watch movements.
Notifier: Władysław Meller
Other records: Timeline of Watchmaking Innovations
Nicolas Fatio de Duillier, a Swiss mathematician developed and patented a method of perforation of bearing stones (jewels) in watch movements.
Notifier: Władysław Meller
Other records: Timeline of Watchmaking Innovations