1675/en: Unterschied zwischen den Versionen

Version vom 16. August 2011, 00:28 Uhr

1674 << 1675 >> 1676

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.

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-*[[Felsing, Albert|Albert Felsing]] died on [[January 5|5th January]], [[1901/en|1901]].
+*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.
-*[[Hainaut, Robert Louis|Robert Louis Hainaut]] died on [[January 21|21st January]], [[1901/en|1901]].
 [[Category:Year]]