Revision as of 22:05, 3 March 2023 by Sfoskett(talk | contribs)(Created page with "Eugen Baehni (1864-June 11, 1927) and Charles Baehni ran the largest balance spring factory in Bienne. The company traces its roots to 1863 and was producing over 6 mi...")
Eugen Baehni (1864-June 11, 1927) and Charles Baehni ran the largest balance spring factory in Bienne. The company traces its roots to 1863 and was producing over 6 million balance springs per year by 1893.