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 [[ | + | Geboren [[14. Mai]] [[1781]] in Le Locle er starb in Paris [[1854]] |
split- seconds mechanism (invention patented 20 September 1827). <br> | split- seconds mechanism (invention patented 20 September 1827). <br> | ||
Version vom 2. Januar 2009, 15:09 Uhr
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Geboren 14. Mai 1781 in Le Locle er starb in Paris 1854
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/