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• Identified! [American cryptographer William Friedman with a Western Electric-manufactured printing telegraph]

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 3 comments
  • 38 favorites
  • 16,663 views
  • Date taken: 1924
  • Date uploaded: 2022-05-06
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnphec32363, williamfriedman, friedman, cryptographer, cryptography, williamffriedman, wffriedman, westernelectric, printingtelegraph
  • Visibility: public
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  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 5 comments
  • 2 favorites
  • 4,260 views
  • Date taken: 1921
  • Date uploaded: 2024-01-05
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnphec30680, westernelectric, vacuumtube
  • Visibility: public