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• 17:10, 29 December 2023 Sfoskett talk contribs created page 1879 (Created page with "{{Jahresmenue|J1=1878|J2=1879|J3=1880|Inhalt=  * Death of Henri Grandjean, born in Le Locle in 1803. Grandjean introduced the marine chronometer industry to the locality, concurrently with Ulysse Nardin. * H. Schouffelberger of Neuchatel publishes his Calculation of Surpluses of Clockwork Wheels. }} Category:Year")