Template:Selected anniversaries/January 31: Difference between revisions

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||1769: André-Jacques Garnerin born ... balloonist and the inventor of the frameless parachute. Pic.
||1769: André-Jacques Garnerin born ... balloonist and the inventor of the frameless parachute. Pic.
||1836: John Cheyne dies ...  physician and author. He was one of the first to identify Cheyne–Stokes respiration. Pic.


||1839: Fox Talbot read a paper before the Royal Society, London, to describe his photographic process using solar light, with an exposure time of about 20 minutes: Some Account of the Art of Photogenic Drawing or the Process by which Natural Objects may be made to Delineate Themselves without the Aid of the Artist's Pencil.  Pic.
||1839: Fox Talbot read a paper before the Royal Society, London, to describe his photographic process using solar light, with an exposure time of about 20 minutes: Some Account of the Art of Photogenic Drawing or the Process by which Natural Objects may be made to Delineate Themselves without the Aid of the Artist's Pencil.  Pic.

Revision as of 12:33, 1 February 2019