[CW] Wireless at Sea : The First Fifty Years Published by Marconi International Marine Communication, 1950

[David J Ring Jr]

Wireless at Sea : The First Fifty Years
Published by Marconi International Marine Communication, 1950 A copy is 
here (thanks to Larry Bennettex GKA) 
https://worldradiohistory.com/BOOKSHELF-ARH/Early-Radio-Technology/Wireless-at-Sea-Hancock-1950.pdf
wirelessatsea.jpg

73
David J. Ring, Jr., N1EA <http://www.qsl.net/n1ea/>
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