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Language: en
Pages: 190
Pages: 190
Type: BOOK - Published: 1992 - Publisher: Lehigh University Press
"This book is not so much an analysis of de Forest's contribution to technology as it is a chronicle of his spiritual quest. Lee de Forest was an important inve
Language: en
Pages: 562
Pages: 562
Type: BOOK - Published: 2011-10-17 - Publisher: Springer Science & Business Media
The life-long inventor, Lee de Forest invented the three-element vacuum tube used between 1906 and 1916 as a detector, amplifier, and oscillator of radio waves.
Language: en
Pages: 607
Pages: 607
Type: BOOK - Published: 2021-09-15 - Publisher: Cornell University Press
Empire of the Air tells the story of three American visionaries—Lee de Forest, Edwin Howard Armstrong, and David Sarnoff—whose imagination and dreams turned
Language: en
Pages: 240
Pages: 240
Type: BOOK - Published: 2006-01-17 - Publisher: McFarland
On March 7, 1876, the U.S. Patent Office issued to a young inventor named Alexander Graham Bell what is arguably the most valuable patent ever: entitled "improv
Language: en
Pages: 450
Pages: 450
Type: BOOK - Published: 2011-05-06 - Publisher: AuthorHouse
I have taught a graduate course on the history of the information and communications industry for 20 years. The course shows students how the world has moved fr
