Perrelet, Louis Frédéric/de: Unterschied zwischen den Versionen
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[[Perrelet, Louis-Frédéric]] | [[Perrelet, Louis-Frédéric]] | ||
+ | Geboren [[14. Mai]] [[1781]] in Le Locle er starb in Paris [[1845]] | ||
+ | split- seconds mechanism (invention patented 20 September 1827). <br> | ||
+ | http://www.hautehorlogerie.org/en/players/famous-watchmakers/18th-century/louis-frederic-perrelet.html <br> | ||
+ | http://www.perrelet.com/history_23.html <br> | ||
+ | http://www.perrelet.nl/historie/ <br> | ||
Version vom 22. November 2008, 20:17 Uhr
Geboren 14. Mai 1781 in Le Locle er starb in Paris 1845
split- seconds mechanism (invention patented 20 September 1827).
http://www.hautehorlogerie.org/en/players/famous-watchmakers/18th-century/louis-frederic-perrelet.html
http://www.perrelet.com/history_23.html
http://www.perrelet.nl/historie/