January 22: Unterschied zwischen den Versionen
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== Events == | == Events == | ||
| − | On [[January 22]], [[1675]] [[Huygens, Christiaan|Huygens]] commissioned [[Thuret (Turet), Isaac (gest. 1706)|Isaac Thuret]] to complete the first model (prototype) of a pocket watch using a balance-spring (hairspring) and balance (foliot) after their design | + | On [[January 22]], [[1675]] [[Huygens, Christiaan|Huygens]] commissioned [[Thuret (Turet), Isaac (gest. 1706)|Isaac Thuret]] to complete the first model (prototype) of a pocket watch using a balance-spring (hairspring) and [[balance]] (foliot) after their design. |
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== Births == | == Births == | ||
Version vom 12. August 2011, 01:09 Uhr
January 22
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Historical Anniversaries | |||||||||||||||||||||||||||||||
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Events
On January 22, 1675 Huygens commissioned Isaac Thuret to complete the first model (prototype) of a pocket watch using a balance-spring (hairspring) and balance (foliot) after their design.
Births
- Feodor William Rüffert was born on 22nd January, 1835 in Borna by Leipzig.
- John Henri LeCoultre was born on 22nd January, 1872 in Le Sentier.
Deaths
- Samuel Franz died on 22nd January, 1896 in Engelfangen (Saarbrücken).