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  • On This Day in History 1878, Edison patents the phonograph. Edison’s invention came about as spin-off from his ongoing work in telephony and telegraphy. In an effort to facilitate the repeated transmission of a single telegraph message, Edison devised a method for capturing a passage of Morse code as a sequence of indentations on a spool of paper. Reasoning that a similar feat could be accomplished for the telephone, Edison devised a system that transferred the vibrations of a diaphragm—i.e., sound—to an embossing point and then mechanically onto an impressionable medium—paraffin paper at first, and then a spinning, tin-foil wrapped cylinder as he refined his concept. Edison and his mechanic, John Kreusi, worked on the invention through the autumn of 1877 and quickly had a working model ready for demonstration. The December 22, 1877, issue of Scientific American reported that “Mr. Thomas A. Edison recently came into this office, placed a little machine on our desk, turned a crank, and the machine inquired as to our health, asked how we liked the phonograph, informed us that it was very well, and bid us a cordial good night.”
Credit: History Channel
 #ThomasEdison #Edison #phonography #inventions #science #technology #revolution #history #telegraph
  • On This Day in History 1878, Edison patents the phonograph. Edison’s invention came about as spin-off from his ongoing work in telephony and telegraphy. In an effort to facilitate the repeated transmission of a single telegraph message, Edison devised a method for capturing a passage of Morse code as a sequence of indentations on a spool of paper. Reasoning that a similar feat could be accomplished for the telephone, Edison devised a system that transferred the vibrations of a diaphragm—i.e., sound—to an embossing point and then mechanically onto an impressionable medium—paraffin paper at first, and then a spinning, tin-foil wrapped cylinder as he refined his concept. Edison and his mechanic, John Kreusi, worked on the invention through the autumn of 1877 and quickly had a working model ready for demonstration. The December 22, 1877, issue of Scientific American reported that “Mr. Thomas A. Edison recently came into this office, placed a little machine on our desk, turned a crank, and the machine inquired as to our health, asked how we liked the phonograph, informed us that it was very well, and bid us a cordial good night.”
    Credit: History Channel
    #ThomasEdison #Edison #phonography #inventions #science #technology #revolution #history #telegraph
  • 8 0 43 minutes ago
  • 《 Most Satisfying Factory Machines and Ingenious Tools 》
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My personal account @brahim_oubbad
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  • 《 Most Satisfying Factory Machines and Ingenious Tools 》
    ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁ ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ I love my followers ❤💙💚💛💜💟💖
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    My personal account @brahim_oubbad
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  • 136 4 1 hour ago
  • Via @insiderbeauty: You can get perfectly symmetrical brows at home with this headband eyebrow stencil. 👀 #homeinsider
  • Via @insiderbeauty: You can get perfectly symmetrical brows at home with this headband eyebrow stencil. 👀 #homeinsider
  • 322 13 2 hours ago
  • It’s a great feeling when something you’ve created finds a home. This was a one of a kind, whimsical representation of a tellurium. So glad to know it will give someone joy in their home. Visit @gracegallerydenver to see creations that will bring you joy.
  • It’s a great feeling when something you’ve created finds a home. This was a one of a kind, whimsical representation of a tellurium. So glad to know it will give someone joy in their home. Visit @gracegallerydenver to see creations that will bring you joy.
  • 10 1 3 hours ago
  • I really like it 🏳️‍🌈⃠- D
  • I really like it 🏳️‍🌈⃠- D
  • 8 2 3 hours ago
  • The Chow Crown makes you work for your food. 👑 #thisisinsider
  • The Chow Crown makes you work for your food. 👑 #thisisinsider
  • 3,135 75 3 hours ago