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 278
reless installationis made has its sending and receiving apparatus tuned for thesame or for certain wave lengths. It is also designated by aletter or a pair of letters, called a call-signal. Thus, the Marconi wdreless station established at the Lizard,in Cornwall, is denoted by L.D., and in the… … [By permission of Marconis Wireless Telegraph Co., Ltd.Fig. 16.—Marconi Wireless Telegraph Cabin on ss. Minnetonka. of the ss. Dcutschland it is denoted by D.L, Some of these vesselsare equipped with short distance apparatus: that is, for com-municating with one another and with the shore up to 200…
Radio · Telegraph, Wireless · Telephone, Wireless
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
