Portrait of Lee De Forest (1873-1961), Electrical Engineer 2551575666 o
Size: 1404px × 1780px
Photo credit: © Len Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1947, american, ancient, autograph, book, bow, bygone, circuit, copy, cover, editorial, electrical, engineer, hands, historic, history, illustration, institution, inventor, libraries, man, news, nostalgia, nostalgic, ph., photo, photograph, photography, portrait, smithsonian, space, stock, textbook, tie, triode, tube, university, vacuum, vintage, yale