Search results

Create the page "Alexander Graham Bell" on this wiki! See also the search results found.

• Phonograph
  ...ced an up and down or hill-and-dale groove in the foil. [[Alexander Graham Bell]]'s [[Volta Laboratory and Bureau|Volta Laboratory]] made several improveme ...graved]] recording using wax-coated cylinders was patented by [[Chichester Bell]] and [[Charles Sumner Tainter]]. They named their version the [[Graphophon
  115 KB (17,286 words) - 16:32, 16 December 2018
• Thomas Edison
  ...he did little to develop it until [[Alexander Graham Bell]], [[Chichester Bell]], and [[Charles Sumner Tainter|Charles Tainter]] produced a phonograph-lik ...ch as the ones developed by [[Johann Philipp Reis]] and [[Alexander Graham Bell]], worked by generating a weak current. The [[carbon microphone]] works by
  105 KB (15,290 words) - 17:19, 16 December 2018