POCOCK, R.F., AND GARRATT, G.R.M.
THE ORIGINS OF MARITIME RADIO.
London. The Science Museum, 1972., Ex Library. Softback. 60 pages, illustrated with 14 black & white photographs, diagrams & maps. 9.5" x 7.25". Near fine but library stamps on front endpages. Near fine soft cover, covered with clear library film, library's small label on front cover. Priced £1.00 on back. Postage in UK SBN 112901131. 1972
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Keywords: radio maritime wireless transmitter signalling Popov Admiral Rawson Marconi transmitter Captain Jackson signal receiver