Template:Selected anniversaries/March 8: Difference between revisions

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||1848 – LaMarcus Adna Thompson, American engineer and businessman, developed the roller coaster (d. 1917)
||1848 – LaMarcus Adna Thompson, American engineer and businessman, developed the roller coaster (d. 1917)
||1853: Edward John Dent does ... clockmaker and inventor whose chronometers were noted for high accuracy. His patents in this field included compasses for navigation and surveying. He experimented with springs made of steel, gold and glass, and devices for counteracting the effects of temperature change upon timepiece mechanisms. As clockmaker to Queen Victoria, he was commissioned to build the Great Clock for the clock tower of the Houses of Parliament (known as Big Ben, although that is actually the nickname of its hour bell) which he began in the year he died. His son, Frederick Dent, completed the work the following year and it was installed in the tower in 1859. It continues to be recognised for its great accuracy of 4 seconds in a year. Pic.


||Ernest Vessiot (b. 8 March 1865) was a French mathematician. Vessiot's work on Picard–Vessiot theory dealt with the integrability of ordinary differential equations. Pic.
||Ernest Vessiot (b. 8 March 1865) was a French mathematician. Vessiot's work on Picard–Vessiot theory dealt with the integrability of ordinary differential equations. Pic.

Revision as of 17:05, 15 August 2018