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Lee de Forest, American Inventor Lee de Forest, 1873-1961, was a Yale University Ph.D, who in 1906 invented the first vacuum tube known as the Audion. ... About this Site and Sponsor.
2.
Lee de Forest, American Inventor Lee de Forest, 1873-1961, was a Yale University Ph.D, who in 1906 invented the first vacuum tube known as the Audion. It was first used as a detector of ...
3.
Lee de Forest, American Inventor Lee de Forest, 1873-1961, was a Yale University Ph.D, who in 1906 invented the first vacuum tube known as the Audion. It was first used as a detector of ...
4.
Lee de Forest, American Inventor Lee de Forest, 1873-1961, was a Yale University Ph.D, who in 1906 invented the first vacuum tube known as the Audion. It was first used as a detector of ...
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Lee de Forest Invented the Radio Tube While there, de Forest finally made his Audion tube perform as an amplifier and sold it to the telephone company as an amplifier of transcontinental wired ...
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Lee de Forest Invented the Radio Tube The Audion was used as a detector of radio signals, an amplifier of audio and an ... While there, de Forest finally made his Audion tube perform as an ...
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Lee de Forest Invented the Radio Tube But de Forest is most known for his contributions and improvements to the basic invention of all radio and television, the vacuum tube. ...
8.
Lee de Forest, American Inventor Lee de Forest, 1873-1961, was a Yale University Ph.D, who in 1906 invented the first vacuum tube known as the Audion. It was first used as a detector of ...
9.
Lee de Forest Invented the Radio Tube But de Forest is most known for his contributions and improvements to the basic invention of all radio and television, the vacuum tube. ...
10.
Lee de Forest Invented the Radio Tube But de Forest is most known for his contributions and improvements to the basic invention of all radio and television, the vacuum tube. ...
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