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Description
Federal Telegraph Company research team Lee de Forest, Herbert Van Etten, and Charles V. Logwood, with Mrs. (Jean) Logwood, in Palo Alto, California, in early 1912. The team developed the two devices that made large scale radio transmission possible, the Audion amplifier (demonstrated that year) and the vacuum tube oscillator, both landmarks in radio technology.
Type
image
Format
Black & White
Identifier
D9D74F75-C597-4EF3-A707-380577099728 2003-59-460
Subject
Federal Telegraph Company--History Group portraits Palo Alto (Calif.) Research Electronic industry--California--Santa Clara Valley Audion De Forest, Lee Logwood, Charles V Logwood, Jean Van Etten, Herbert B
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