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Norbert Rillieux (March 17, 1806 – October 8, 1894) was a Louisiana Creole inventor who was widely considered one of the earliest chemical engineers and noted for his pioneering invention of the multiple-effect evaporator. This invention was an important development in the growth of the sugar industry.
Edwin Ruud (9 June 1854 – 9 December 1932) was a Norwegian-American mechanical engineer and inventor who immigrated to the United States where he designed, sold, and popularized the tankless water heater. He was the founder and President of Ruud Manufacturing Company, now a division of Rheem Manufacturing Company. [6] [7] [8]
The dish is then closed and heated at high temperature until completely clean, fused silica is produced. Comparison of the initial weight of the substance and that of the fused silica allows the content of silicon in the sample to be determined. A generic evaporator dish. The shape of the evaporating dish encourages evaporation in two ways:
GB 4732/1822 Steam-engines. December 10, 1822; GB 4792/1823. Heating, boiling, or evaporating by the steam of fluids, in pans, boilers, or other vessels. May 17, 1823; GB 4800/1823 Steam-engines. June 5, 1823 . GB 4870/1823 Construction of the furnace of steam-boilers and other vessels. November 20, 1823; GB 4952/1824 Throwing shells and other ...
Edward Bull (1759–1798), England – Bull engine (a modified steam engine) Robert Bunsen (1811–1899), Germany – Bunsen burner; Henry Burden (1791–1871), Scotland and U.S. – Horseshoe machine, first usable iron railroad spike
Hoyt is the inventor of numerous well-known puzzles, games and brain teasers including USA Today Word Roundup, USA Today Up & Down Words, Jumble Crosswords, TV Jumble and more. He is the current co-author of Jumble , the most syndicated daily word game in the world.
4, including Courtauld and Elspeth Robert William Thomson PRSSA FRSE (29 June 1822 – 8 March 1873) was a Scottish inventor known for inventing the refillable fountain pen and the pneumatic tyre . [ 1 ]
Peter Cooper Hewitt (May 5, 1861 – August 25, 1921) was an American electrical engineer and inventor, who invented the first mercury-vapor lamp in 1901. [1] Hewitt was issued U.S. patent 682,692 on September 17, 1901. [2] In 1903, Hewitt created an improved version that possessed higher color qualities which eventually found widespread ...