The FOSC (Feuille Officielle Suisse du Commerce) is available on E-periodica
Notes :
Concerning Time To Tell : Time To Tell has one of the largest private digitized databases on the history of Swiss watchmaking, with over 2.3 TB of data on more than 1,000 Swiss watch manufacturers. This database has been built up over a period of some thirty years, and continues to be fed with around 50 to 100 GB of data every year. The database is made up of old documents, mostly Swiss trade magazines, dating from the late 19th to the late 20th century. Most of these documents are not available on the Internet. Historical articles published on time2tell.com always cite the sources used.
Time To Tell is a privately-owned company, independent of any watch manufacturer.
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