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Birth
Born, 11 February, Milan, Ohio -
Period: to
Sold out
Sells newspapers and sundries on train between Port Huron, Michigan, and Detroit -
Period: to
Telegraph
Years as a traveling telegrapher -
First Invention
Patents first invention, Boston -
Work
Works on stock ticker and printing telegraph, New York -
Stock-ticker
First substantial income from an invention (stock ticker) -
Married
Marries Mary Stilwell -
Sending Messages
Quadruplex telegraph (sending four messages over a wire at the same time) -
Telephone Transmitter
Carbon-resistance telephone transmitter -
Phonograph
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Incandescent Lamp
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Pearl Street Station
Pearl Street Station, New York -
Edison Effect
Discovers and experiments with electrical discharge inside lamp (called "Edison Effect;" basis of the vacuum tube) -
Mary Stilwell Death
Wife Mary dies -
Marries Mina Miller
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Laboratory
Newer, larger laboratory, West Orange, New Jersey -
Motion Pictures
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Period: to
Ore-Separation Work
Concentrated activity on electromagnetic ore-separation work, Ogdensburg, New Jersey -
Rubber
Attempts to find alternative sources of rubber -
Inauguration of Menlo Park Laboratory
Inauguration of Menlo Park laboratory as a museum, Dearborn, Michigan -
Thomas Edison Death
Dies October 18, West Orange, New Jersey