Template:Selected anniversaries/April 13: Difference between revisions

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||Samuel Molyneux FRS (d. 13 April 1728), son of William Molyneux, was an 18th-century member of the British parliament from Kew and an amateur astronomer whose work with James Bradley attempting to measure stellar parallax led to the discovery of the aberration of light. The aberration was the first definite evidence that the earth moved and that Copernicus and Kepler were correct. In addition to his astronomical works, Molyneux wrote about the natural history and other features of Ireland.
||Samuel Molyneux FRS (d. 13 April 1728), son of William Molyneux, was an 18th-century member of the British parliament from Kew and an amateur astronomer whose work with James Bradley attempting to measure stellar parallax led to the discovery of the aberration of light. The aberration was the first definite evidence that the earth moved and that Copernicus and Kepler were correct. In addition to his astronomical works, Molyneux wrote about the natural history and other features of Ireland.


||1771 Richard Trevithick, Cornish-English engineer and explorer (d. 1833)
File:Richard_Trevithick.jpg|link=Richard Trevithick (nonfiction)|1771: Engineer and explorer [[Richard Trevithick (nonfiction)|Richard Trevithick]] born. He will be an early pioneer of steam-powered road and rail transport, developing the first high-pressure steam engine, and building the first full-scale working railway steam locomotive.


||1780 – Alexander Mitchell, Irish engineer, invented the Screw-pile lighthouse (d. 1868)
||1780 – Alexander Mitchell, Irish engineer, invented the Screw-pile lighthouse (d. 1868)

Revision as of 15:45, 21 April 2018