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...and also the first house in the world to be lit by hydroelectric power. In 1878 the home of [[William George Armstrong, 1st Baron Armstrong|Lord Armstrong] ...irst patent application for "Improvement In Electric Lights" on 14 October 1878.<ref>{{US patent|0214636}}.</ref> After many experiments, first with [[car ...

...nd phonograph, photographed by [[Levin Corbin Handy]] in Washington, April 1878]] ...ice for the first time on November 29 (it was [[patent]]ed on February 19, 1878 as US Patent 200,521). "In December, 1877, a young man came into the office ...