描述
Signed vintage glossy photograph, shows Lee De Forest in a head and shoulders portrait, 8 x 10 inch, signed and inscribed in blue ink "Sincere good wishes - to the U.S.O. Club - of Starke, Fla and Marius Risley - Lee De Forest" - additionally signed on the reverse "Lee De Forest - 8190 Hollywood Blvd. - Los Angeles Cal., with scattered creasing and a short tear (0,3 inch) to the left edge - in fine to good condition.
有关该人的更多信息
Profession:
(1873 - 1961) American inventor - invented the Audion, a vacuum tube that takes relatively weak electrical signals and amplifies them
Year of Birth: 1873
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