Bruce a Lowry (2 results)

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      • Softcover
      • First Edition

      Seller: Reed Books The Museum of Fond Memories, Birmingham, AL, U.S.A.Reed Books The Museum of Fond Memories

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      Condition: Used - Fine

      US$ 15.00

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      Paperback. Condition: Fine Condition. First Edition 1st Edition. Leilah Rampa (illustrator).

      • Softcover
      • First Edition

      Seller: Herman H. J. Lynge & Søn ILAB-ABF, Copenhagen, DenmarkHerman H. J. Lynge & Søn ILAB-ABF

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      Association member: ABFILAB

      Condition: Used

      US$ 127.87

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      New York, American Telephone and Telegraph Company, 1935. 8vo. Original full blue cloth. Volume 14, 1935 of "The Bell System Technical Journal". Library stamp to free front end-paper. Minor bumping to extremities. A nice and clean copy. Pp: 135-158. [Entire volume: pp. 7, (1), 730 pp]. First printing of Edmond Bruce' paper on Horizontal Rhombic Antennas. Edmond Bruce and Harald Friis invented the rhombic antenna, which was a broadband directional antenna most commonly used in HF (high frequency, or shortwave) ranges.This paper discusses the theoretical methods employed by the authors in dimensioning horizontal rhombic receiving antennas.…