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February 28, 1893 in History
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Event: Edward Acheson, Penn, patents an abrasive he names "carborundum" |
Related Topics:
Acheson Edward Names patents Penn Related Year: 1893 Related Events: February 28 |
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More Notable Events on February 28:
1997 Smokers must prove they are over 18 to purchase cigarettes in US 1995 Denver International Airport opens 1994 Brady Law, imposing a wait-period to buy a hand-gun, went into effect 1935 Nylon discovered by Dr. Wallace H. Carothers 1861 Territories of Nevada and Colorado created |
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