Portal:Anniversaries/March 15: Difference between revisions

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1813 — German watchmaker Georg Friedrich Roskopf, inventor of the Roskopf escapement, is born.

Revision as of 00:52, 27 April 2020 view source meta>Stephen Foskett Created page with ":'''1813''' — German watchmaker Georg Friedrich Roskopf, inventor of the Roskopf escapement, is born. <noinclude>Category:Anniversary..."	Latest revision as of 14:56, 23 July 2021 view source Sfoskett (talk \| contribs) Bureaucrats, Administrators 5,049 edits m 1 revision imported
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