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1. www.asme.org › topics-resources › contentThe Edison Experimental Recording Phonograph Changed the World -...

   www.asme.org › topics-resources › content

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   12 de jun. de 2024 · By mid-1877, Edison and his associate Charles Batchelor had an epiphany: They didn’t need a telephone to make a sound recording. As Giovannoni rephrased it, “What if we just yelled into a diaphragm and recorded the vibrations on a piece of tape?”

2. www.britannica.com › technology › telegraphTelegraph | Invention, History, & Facts | Britannica

   www.britannica.com › technology › telegraph

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   5 de jun. de 2024 · In 1837 the British inventors Sir William Fothergill Cooke and Sir Charles Wheatstone obtained a patent on a telegraph system that employed six wires and actuated five needle pointers attached to five galvanoscopes at the receiver.

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4. www.britannica.com › technology › phonographPhonograph | Definition, Invention, Parts, & Facts | Britannica

   www.britannica.com › technology › phonograph

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   8 de jun. de 2024 · Phonograph, also called a record player, instrument for reproducing sounds by means of the vibration of a stylus, or needle, following a groove on a rotating disc. The invention of the phonograph is generally credited to Thomas Edison (1877). Learn more about phonographs in this article.

5. www.edisonhouse.org › life-of-edisonThe Life of Thomas Edison - Edison House

   www.edisonhouse.org › life-of-edison

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   24 de jun. de 2024 · A Little About the Life of Thomas Edison. In the front room of the Thomas Edison House is a chronology or timeline which illustrates the life of Edison, some of his most significant inventions, and major national and international events that occurred during this period.

6. en.wikipedia.org › wiki › 1940_United_States_presidential_election1940 United States presidential election - Wikipedia

   en.wikipedia.org › wiki › 1940_United_States_presidential_election

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   Hace 2 días · It was held on Tuesday, November 5, 1940. Incumbent Democratic President Franklin D. Roosevelt defeated Republican businessman Wendell Willkie to be reelected for an unprecedented third term in office. Until 1988, this was the last time in which the incumbent's party won three consecutive presidential elections.

7. www.britannica.com › biography › Nikola-TeslaNikola Tesla | Biography, Facts, & Inventions | Britannica

   www.britannica.com › biography › Nikola-Tesla

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   16 de jun. de 2024 · In 1915 he was severely disappointed when a report that he and Edison were to share the Nobel Prize proved erroneous. Tesla was the recipient of the Edison Medal in 1917, the highest honor that the American Institute of Electrical Engineers could bestow.

8. mainspringpress.orgAmerican Sound-Recording History from Mainspring Press

   mainspringpress.org

   Arthur Walsh to Charles Edison (October 12, 1929) On or about 1912 the Edison Industries began to manufacture and sell the disc type of record and from that date to this, as far as I can estimate, it has always been a losing business.