Glossary
Atmos
A clock, made by Jaeger-LeCoultre, driven by variations in temperature or atmospheric pressure and invented by Jean-Léon Reutter.
The original Atmos, made in 1926, was presented to the public in 1927.
The first utility patent was filed in 1928
Research
Research
For research into the first Rieussec chronographs, the Fondation de la Haute Horlogerie wishes to locate this piece, made between 1820 and 1830.
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