Thomas alva edison


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The Legacy of the Great Inventor

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Thomas alva edison

  1. 1. THE LEGACY<br />OF<br />THOMAS ALVA EDISON<br />(1847-1931)<br />
  2. 2. Early life<br />born on Feb 11,1847 in Milan, Ohio, and grew up in Port Huron, Michigan,USA.<br />
  3. 3. Parents are samueledison(1804-1892),<br />nancyedison(1810-1870).<br />Ethnicity- Dutch.<br />Education- three months of formal <br /> schooling,<br /> homeschooled by his<br /> mother.<br />Early occupation- sold newspapers,<br /> sweets in trains.<br />
  4. 4. Early influences:<br />“School of Natural philosophy” by R.G.parker,<br /> “ The Cooper Union”,<br />“The Age of reason” by Thomas paine.<br />His mother nancy, edison called his mother<br /> “… was the making of me...  [because] she was always so true and so sure of me...  And always made me feel I had someone to live for and must not disappoint.”<br />Libraries.<br />
  5. 5. Telegraphy<br />Learnt telegraphy when he saved the son of a <br /> railway station master J MacKenzie.<br />Constructed his own telegraph machine.<br />Worked as a telegraph operator at stratford on the “Grand trunk railway”.<br />First mentor – Franklin leonard pope, <br />Newjersey. <br />
  6. 6. First patent:<br />Edison is considered one of the most prolific inventors in history, holding 1,093 U.S. patents in his name, as well as many patents in the United Kingdom, France and Germany.<br />Some of Edison's earliest inventions were related to telegraphy, including a stock ticker. <br />Edison’s first patent was “electric vote recorder”, (U. S. Patent 90,646) granted on<br />june 1st ,1869<br />
  7. 7. Marriages and children:<br />Edison married twice,<br /> first wife – Mary stillwell,<br /> children - Marion Estelle Edison (1873–1965)<br />Thomas Alva Edison, Jr. (1876–1935)<br />William Leslie Edison (1878–1937) <br /> Second wife - Mina Miller,<br /> children - Madeleine Edison (1888–1979)<br /> Charles Edison (1890–1969)<br /> Theodore Edison (1898–1992)<br />
  8. 8. Phonograph:<br />The invention which first gained him fame was the phonograph in 1877.<br />Edison became known as "The Wizard of Menlo Park,"<br />
  9. 9. First industrial research lab:<br />Edison's major innovation was the first industrial research lab, which was built in Menlo Park, New Jersey. <br />It was built with the funds from the sale of Edison's quadruplex telegraph.<br />William J. Hammer was his first assistant.<br />He assisted in experiments on the telephone, phonograph, electric railway, iron ore separator, electric lighting, and other developing inventions.<br />
  10. 10. Menlo park research lab:<br />
  11. 11. THE ELECTRIC BULB:<br />After many experiments with platinum and other metal filaments,edison finally invented <br /> electric bulb with carbon filament in 1879.<br />The first successful test was on October 22, 1879; it lasted 40 hours.<br />Edison got US patent 223828 in 1880.<br />In 1878, Edison formed the ”Edison <br /> Electric Light Company” in New York <br /> City.<br />
  12. 12. Electric power distribution:<br />Edison patented a system for electricity distribution in 1880, which was essential to capitalize on the invention of the electric lamp. <br />On December 17, 1880, Edison founded the Edison Illuminating Company.<br />The company established the first investor-owned electric utility in 1882 on Pearl Street Station, New York.<br />
  13. 13. The KINETOSCOPE:<br />The key to Edison's fortunes was telegraphy.<br />The Kinetoscope was an early motion picture exhibition device.<br />First described in conceptual terms by U.S. inventor Thomas Edison in 1888.<br />Edison introduced the Kinetophone, which joined the Kinetoscope with a cylinder phonograph.<br />Major contribution to media evolution.<br />
  14. 14. Other inventions:<br />Webermeter.<br />Carbonizer.<br />Magnetic Separator<br />Electro-Magnetic Brake<br />Vacuum-Pump<br /> Telephone<br />Shafting<br />Galvanized battery<br />And many others………<br />
  15. 15. GENERAL ELECTRICALS:<br />EDISON founded GENERAL ELECTRICALS company in 1878.<br />
  16. 16. VIEWS OF EDISON:<br />Edison was a freethinker,naturologist.<br />He accepted nature as the god.<br />Edison turned into a vegetarian.<br />He worked for US navy,a ship <br /> was named after him.<br />
  17. 17. Late years:<br />Edison died on october 18,1931 in west orange,with ongoing research.<br />
  18. 18. Acknowledgement:<br /><br />Wikipedia,<br /><br />And many others…………….<br />