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Edison: His Life and Inventions: The Telephone, Motograph, and Microphone

Curated by ACT

This site offers the text of a book by Frank Dyer and Thomas Martin published in 1929 on the inventions of Thomas Edison. This particular page discusses Alexander Graham Bell's development of the telephone and the controversy over Thomas Edison's carbon button microphone which was used in the telephone.

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Concepts
inventions, inventors, alexander graham bell, thomas edison
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Additional Tags
microphone, phonograph, telephone technology, edison, edison: his life and inventions: the telephone, motograph, and microphone, thomas alva edison, technology, telephone
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Classroom Considerations
  • This resource is only available on an unencrypted HTTP website.It should be fine for general use, but don’t use it to share any personally identifiable information