Patent Model for the Improvement in Stem-winding Watches

Description (Brief)
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. By the time, she applied for the patent in the United States in 1879, American watchmakers were mass producing watches and competing with European watch makers.
Stem winding watches were invented by a French clock maker in 1842 and patented in Europe in 1845. Before this time a key was necessary to wind a watch mechanism.
Object Name
watch, part of
watch part
patent model, watch part
date made
patent date
Gontard, P. H.
Gontard, Pauline H.
Physical Description
metal (overall material)
overall: 2 3/4 in x 2 1/8 in x 1/2 in; 6.985 cm x 5.3975 cm x 1.27 cm
place made
United States
ID Number
catalog number
accession number
patent number
Measuring & Mapping
Industry & Manufacturing
Invention and the Patent Model
Patent Models
See more items in
Work and Industry: Mechanisms
Patent Models
Invention and the Patent Model
Invention and the Patent Model
Data Source
National Museum of American History, Kenneth E. Behring Center
Additional Media

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