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[[Bild:Spiralabzählgerät.jpg|thumb|Spiralabzählgerät]] | [[Bild:Spiralabzählgerät.jpg|thumb|Spiralabzählgerät]] | ||
A [[balance]] spring is a fine spiral or helical spring used in mechanical watches, [[marine chronometer]]s, and other timekeeping mechanisms to control the rate of vibration of the balance wheel. A balance spring usually has a regulator lever to adjust the rate of the timepiece. | A [[balance]] spring is a fine spiral or helical spring used in mechanical watches, [[marine chronometer]]s, and other timekeeping mechanisms to control the rate of vibration of the balance wheel. A balance spring usually has a regulator lever to adjust the rate of the timepiece. | ||
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== Types of balance springs == | == Types of balance springs == | ||
Aktuelle Version vom 3. Juni 2015, 00:10 Uhr
Balance spring
(or hairspring)
A balance spring is a fine spiral or helical spring used in mechanical watches, marine chronometers, and other timekeeping mechanisms to control the rate of vibration of the balance wheel. A balance spring usually has a regulator lever to adjust the rate of the timepiece.
Types of balance springs
- flat spiral
- Breguet overcoil (Breguet spring)
- chronometer helix
- showing curving ends
- early balance springs
TERMINOLOGIE NUMEROTATION
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Literature
- The Marine Chronometer. Its History and Development, ISBN 0-907462-05-7
- Time and Timekeepers, ISBN 0780800087