Template:Selected anniversaries/May 23: Difference between revisions

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||1805: Manuel John Johnson born ... astronomer. He made the first successful measurement of a stellar parallax, though not to the first publication thereof. Pic search book cover: https://www.google.com/search?q=Manuel+John+Johnson
||1805: Manuel John Johnson born ... astronomer. He made the first successful measurement of a stellar parallax, though not to the first publication thereof. Pic search book cover: https://www.google.com/search?q=Manuel+John+Johnson


||1829: Accordion patent granted to Cyrill Demian in Vienna, Austrian Empire.
||1829: Accordion patent granted to Cyrill Demian in Vienna, Austrian Empire. Pic search yes: https://www.google.com/search?q=Cyrill+Demian&oq=Cyrill+Demian


||1837: Anatole Mallet born ... mechanical engineer and inventor.
||1837: Anatole Mallet born ... mechanical engineer and inventor.

Revision as of 08:02, 22 May 2019