BRUCE E. & A. C. BECK & , L. R. LOWRY.

Horizontal Rhombic Antennas.

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.

Order-nr.: 43104