Thomas Edison

19th Century America History 3 of 3 appearances
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# Clue Answer As Given Value Round Category Air Date Show
He received more than a thousand U.S. patents--the first, in 1869, was for an electrographic vote recorder Edison $400 DJ 19th CENTURY AMERICANS 2025-11-27 #9444
In 1874 he invented the quadruplex telegraph, allowing 4 messages to be sent at a time, 2 in each direction Thomas Edison $800 DJ 19th CENTURY AMERICANS 2014-10-14 #6917
He established his electric light company in 1878, a year before he perfected his bulb Thomas Edison $200 DJ 19th CENTURY AMERICA 2000-02-17 #3564
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