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Transistor
1959
Sony brings transistor TV 8-301 to the market
1951
Dr. William Shockley invents junction transistor (Murray Hill NJ)
1948
Transistor as a substitute for Radio tubes announced, Bell Labs
1947
Transistor invented by Bardeen, Brattain and Shockley in Bell Labs
1908
John Bardeen, U.S., physicist, transistor, Nobel 1956, 1972
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