January 22: Unterschied zwischen den Versionen
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== Events == | == Events == | ||
*On [[January 22]], [[1675/en|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/en|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. | ||
Version vom 26. Februar 2013, 02:02 Uhr
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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 near Leipzig.
- John Henri LeCoultre was born on 22nd January, 1872 in Le Sentier.
Deaths
- Samuel Franz died on 22nd January, 1896 in Engelfangen (Saarbrücken).