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• Portrait of Lee De Forest (1873-1961), Electrical Engineer

  • Uploaded by: Smithsonian Institution
  • License: No known copyright restrictions
  • 1 comment
  • 12 favorites
  • 35,586 views
  • Date taken: 2008-05-20 19:09:37
  • Date uploaded: 2008-06-04
  • Tags: smithsonianinstitution, portrait, electricalengineer, oldman, circuit, autograph, yaleuniversityphd, vacuumtube, americaninventor, triode, 1947, bowtie, hands, smithsonianinstitutionlibraries
  • Visibility: public