An elementary manual of radiotelegraphy and radiotelephony for students and operators (1916)
Fleming, J. A. (John Ambrose), Sir, 1849-1945 · London, Longmans, Green & co. · leaf 206
to that plane; in other directions varying in accordance with theradii of a figure of 8 polar curve, as shown in Fig. 30 (a), (&), (c).Fig. 30 (a) shows a theoretical curve of which the radii in various RADIATING A.\D KECEIVING CIRCUITS 189 ilirectii»U8 art* j>n|)i>itional to tlio eiuT^iy…
Radio · Telegraph, Wireless · Telephone, Wireless
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
