First Recorded Sound: Scott, Edison and History of Invention

The first sound to be recorded by a machine wasn't intended ever to be heard again—but modern researchers found a way around that problem.

Thomas Edison, Biography, Early Life, Inventions, & Facts

Thomas Edison - Inventor, Innovator, Menlo Park

The audio recording: a minimal history (part one) - Audio 2G

First recording of human sound was made today in 1860: Interesting facts about the event - India Today

Who was the inventor of the disc record? - Quora

History of Phonograph - Invention of First Phonograph

The invention of sound hi-res stock photography and images - Alamy

Origins of Sound Recording - Frequently Asked Questions - Thomas Edison National Historical Park (U.S. National Park Service)

The first phonograph Cut Out Stock Images & Pictures - Alamy