1 finding aid(s) found containing the word(s) Friis, Harald T. (Harald Trap), 1893-1976.

  1. Harald T. Friis papers, 1921-1976

    600 items. 8 containers. 5 linear feet. -- Manuscript Division, Library of Congress, Washington, D.C.


    Radio engineer and inventor. Correspondence and other papers relating to Friis's work on radio transmission, radio astronomy, and microwaves.

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