Template:Selected anniversaries/September 20: Difference between revisions

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||1819 – Frederick Ellsworth Sickels, American inventor (d. 1895)
||1819 – Frederick Ellsworth Sickels, American inventor (d. 1895)


||1842 James Dewar, Scottish-English chemist and physicist (d. 1923)
File:James Dewar.jpg|link=James Dewar (nonfiction)|1842: Chemist and physicist [[James Dewar (nonfiction)|James Dewar]] born. He will invent the vacuum flask.


||1876 – Carleton Ellis, American inventor and chemist (d. 1941)
||1876 – Carleton Ellis, American inventor and chemist (d. 1941)

Revision as of 17:33, 8 July 2017