Patent Model for the Improvement in Stemwinding Watches. Pauline Hortense Gontard, of Cortébert, Switzerland, submitted this brass model with her patent application for an improvement in the winding mechanism in a stem winding watch or keyless watch. Patent Model for the Improvement in Stemwinding Watches

---

Size: 3034px × 2471px
Photo credit: © SBS Eclectic Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: industry, mechanisms, work