Herbert B. Van Etten papers, 1912-1947.

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Herbert B. Van Etten papers, 1912-1947.

http://www.worldcat.org/oclc/122553095

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.

.25 linear foot (6 items)

Stanford University. Department of Special Collections and University Archives

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SNAC Resource ID: 6760275

Stanford University. Department of Special Collections and University Archives

Related Entities

There are 6 Entities related to this resource.

De Forest, Lee, 1873-1961

http://n2t.net/ark:/99166/w65q4zpp (person)

Lee De Forest was born in Council Bluffs, Iowa, on August 26, 1873. He was a graduate of the Sheffield Scientific School at Yale University in 1896 and received a Ph.D. from Yale in 1899. He was an important contributor in the development of wireless telegraphy in the United States. He started multiple radio broadcasting companies and patented 300 inventions in his lifetime. In 1904, he was awarded the gold medal at the World's Fair in St. Louis, Missouri. He died on June 30, 1961. F...

Federal telephone and radio corporation

http://n2t.net/ark:/99166/w6577t28 (corporateBody)

Carty, J. J.

http://n2t.net/ark:/99166/w67h56gt (person)

Elwell, Cyril F.

http://n2t.net/ark:/99166/w6v44gwx (person)

Logwood, Charles V.

http://n2t.net/ark:/99166/w6517kcb (person)

Van Etten, Herbert B.

http://n2t.net/ark:/99166/w66t2gdw (person)

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. From the description of Herbert B. Van Etten papers, 1912-1947. (Unknown). WorldCat record id: 1225...