Template:Selected anniversaries/August 18: Difference between revisions

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||Louis Claude de Saulces de Freycinet (d. 18 August 1841) was a French navigator. He circumnavigated the earth, and in 1811 published the first map to show a full outline of the coastline of Australia. Pic.
||Louis Claude de Saulces de Freycinet (d. 18 August 1841) was a French navigator. He circumnavigated the earth, and in 1811 published the first map to show a full outline of the coastline of Australia. Pic.
||William Austin Burt (d. August 18, 1858) was an American inventor, legislator, surveyor, and millwright. He was the inventor, maker and patentee of the first typewriter constructed in America. He is referred to as the "father of the typewriter". Burt also invented the first workable solar compass, a solar use surveying instrument, and the equatorial sextant, a precision navigational aid to determine with one observation the location of a ship at sea. Pic.


||1868 – French astronomer Pierre Janssen discovers helium.
||1868 – French astronomer Pierre Janssen discovers helium.

Revision as of 07:11, 11 August 2018