Breguet overcoil (Breguet spring): Unterschied zwischen den Versionen
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| − | [[Datei:Rolex parachrom hairspring Parachrom-Breguetspirale.jpg|thumb|[[Rolex/en|Rolex]] parachrom hairspring]] | + | [[Datei:Rolex parachrom hairspring Parachrom-Breguetspirale.jpg|thumb|[[Rolex/en|Rolex]] parachrom hairspring / Timed breguet hairspring]] |
Balance spring with terminal curve whose final curve is formed around the actual balance spring according to precise calculations. With this invention, [[Abraham-Louis Breguet]] was able ti considerably reduce the effects of the dynamic balance error of a flat Archimedean balance spring. | Balance spring with terminal curve whose final curve is formed around the actual balance spring according to precise calculations. With this invention, [[Abraham-Louis Breguet]] was able ti considerably reduce the effects of the dynamic balance error of a flat Archimedean balance spring. | ||
Aktuelle Version vom 20. Juli 2015, 23:42 Uhr
Rolex parachrom hairspring / Timed breguet hairspring
Balance spring with terminal curve whose final curve is formed around the actual balance spring according to precise calculations. With this invention, Abraham-Louis Breguet was able ti considerably reduce the effects of the dynamic balance error of a flat Archimedean balance spring.
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Literature
- The Marine Chronometer. Its History and Development, ISBN 0-907462-05-7
- Time and Timekeepers, ISBN 0780800087