Abstract
IN a paper read before the Wireless Section of the Institution of Electrical Engineers on February 18 Major C. E. Prince lifted the veil from the important results in wireless telephony from aeroplanes which were achieved in consequence of the stimulus of the necessities of war. Up to the summer of 1915, the author believes, wireless speech had not been received in an aeroplane, and, indeed, great were the difficulties that had to be surmounted before practical apparatus for working between ground and aeroplane or between aeroplane and aeroplane could be produced. In the earlier experiments, transmission from air to ground only was attempted by a small oscillation-valve set, but an aeroplane-carried receiving set, also of the oscillation-valve type, was successfully used in 1916. This, however, did not meet the immediate military requirements overseas, and attention was more particularly devoted to the urgent, but more difficult, problem of telephonic communication between machines in the air.
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Wireless Telephony in Aeroplanes. Nature 105, 55–56 (1920). https://doi.org/10.1038/105055c0
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DOI: https://doi.org/10.1038/105055c0