Skip to main content
Senthil Kumaran

      Edison and his phonograph

      Senthil Kumaran

      2018-04-16 14:17

      Edison had invented phonograph, a precursor to modern day music player and phone, but he not could get the proper utility value of his invention immediately. I came across this paragraph in a book called, "Guns, Germs and Steel" and felt compelled to note it down.

      https://dl.dropbox.com/s/gnzzpjc9n82nfwp/Screenshot%202018-04-16%2013.57.59.png?dl=0
      • Previous post
      • Next post
      Contents © 2025 Senthil Kumaran - Powered by Nikola