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Van Etten, Herbert B.
Herbert B. Van Etten papers, 1912-1947.
Notebook with diagrams and explanations of the development of the audion amplifier and oscillator, indexed, 1912. Record of patent infringement lawsuits, ca. 1933, with published record of notebook contents. "Federal Telephone and Radio Corporation : a Historical Review, 1909-1946" in Electrical Communication, 1946. Newsclips from The Palo Alto Times, 1947, re the significance of the electronic discoveries made in Palo Alto. Antenna capacity blueprint, 1912. Antenna data mathematical notes, n.d.
One of the four men involved in the development of the audion amplifier at the Federal Telegraph Company's Palo Alto laboratory in 1912, the other three being Lee de Forest, Cyril F. Elwell, and Charles V. Logwood. Van Etten was responsible for setting up the feed-back circuit that led to the discovery of the vibrating or oscillating capacity of the audion, a three-element vacuum tube.
De Forest, Lee, 1873-1961.
Elwell, Cyril F.
Logwood, Charles V.
Federal Telephone and Radio Corporation.
Electrical engineering
Electronics -- Research.
Oscillators, Electric
Patent suits.
Radio.
Science -- History.
Palo Alto (Calif.)
AIP-ICOS
Stanford University. Department of Special Collections and University Archives. Stanford, CA 94305, USA
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