The Gray Matter: The Forgotten Story of the Telephone

Front Cover
Telepress, 2000 - Biography & Autobiography - 285 pages
Alexander Graham Bell filed a patent application and Elisha Gray filed a caveat, both on February 14, 1876. Bell obtained information from the caveat, then amended his application and made his first speaking telephone. That was the start of the complete telephone business in our country.

Bibliographic information

TitleThe Gray Matter: The Forgotten Story of the Telephone
AuthorBurton H. Baker
Editionillustrated
PublisherTelepress, 2000
ISBN061511329X, 9780615113296
Length285 pages
Subjects › 

Biography & Autobiography / Science & Technology
History / General
Technology & Engineering / History
Technology & Engineering / Telecommunications
  
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