Multiple choice general knowledge math & puzzles

Who invented the phonograph?

  1. Thomas Edison

  2. John Kruesi

  3. Jules Levy

  4. Alexander Graham Bell
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

While Thomas Edison is credited with inventing the phonograph concept, it was actually built by his mechanic John Kruesi in 1877 based on Edison's sketches and instructions. Edison received the patent and is usually credited as the inventor, but Kruesi was the actual builder. Alexander Graham Bell improved on the design with the graphophone.

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