Alphabetical List 18th Century Watchmaking American Watchmaking Bibliography Complications English Watchmaking Machine Watchmaking Self-Winding Watches Animations of Stop-Work Swiss Watchmaking Watchmaking and Repair Miscellaneous
Contact Me

Patents for Watchmaking Machines

By Frederic Japy

1799, 10 pages, ill

Frederic Japy established a factory in Beaucourt (France) and mass-produced watches and clocks; he is reputed to have manufactured about 40,000 watch movements per year during the 1790s. Published in 1799, Japy's patents describe ten machines for manufacturing watch components.

This translation is based on "Brevet d'Invention de Cinq Ans, pour diverses machines d'horlogerie", an eleven page document with four plates. It is provided as an Adobe Acrobat PDF file:

Japy Production Myth

It appears a myth has developed about Japy's production. This one page note explains this myth and its source: