Smithsonian Online Virtual Archives
Archival materials (4)
War production (2)
World War, 1939-1945 (2)
Princeton University (2)
Baer, Ralph H. (1)
National Museum of American History. Department of Exhibits (1)
Archives Center, National Museum of American History (3)
Smithsonian Institution Archives (1)
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Notes and Diagrams, including "Chroma Channel" Block Diagram, "One Transistor," "Rifle Ele...
Bell Telephone Exhibition - Long distance office xhibit panel, 1957. [Image no. SIA2019-00...
"On the Land on the Sea and in the Air the Movement of Every Man and Every Piece of Equipm...
"On the Land on the Sea and in the Air ..." the Nerve Centre of War Brave Men Shall Not Di...