Tomas Alva Edison E. Mejia


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Powerpoint presentation by Enzo Mejia, Grade 6, St. George's College, Lima, Peru

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Tomas Alva Edison E. Mejia

  1. 1. Tomas Alva Edison<br />Made by:<br />Enzo Mejía<br />
  2. 2. Important things<br />Born February 11, 1847(1847-02-11)Milan, Ohio .<br />Died October 18, 1931 (aged 84)West Orange, New Jersey.<br /> Occupation inventor, scientist, businessman<br />Spouse(s) Mary Stilwell (m. 1871–1884)  (1871)–end (1885)»&quot;Marriage<br />Mary Stilwell to Thomas EdisonMina Edison (m. 1886–1931)<br />
  3. 3. Otherimportant things<br />Children Marion Estelle Edison (1873–1965)Thomas Alva Edison Jr. (1876–1935)William Leslie Edison (1878–1937)Madeleine Edison (1888–1979)Charles Edison (1890–1969)Theodore Miller Edison (1898–1992)<br />Parents Samuel Ogden Edison, Jr. (1804–1896)Nancy Matthews Elliott (1810–1871).<br /> Relatives Lewis Miller (father-in-law)<br />
  4. 4. Telegrapher<br />Tomas was a telegrapher and thesecondday he wenttowork and he wasfired, because he spilled sulfuric acid onto the floor.<br />
  5. 5. Carbón telefonetransmitter<br />In 1877–1878, Edison invented and developed the carbon microphone used in all telephones along with the Bell receiver until the 1980s.<br />
  6. 6. War of currents<br />Edison patented a system for electricity distribution in 1880, which was essential to capitalize on the invention of the electric lamp.<br />Then he upgrade the electricity system for other to it too.<br />Therewas a fightbetweenEdison and George Westinghouse. Edison createdthewar of currenttoprevent AC tobeadopted. <br />