CHAMBERLAIN, H.E. — Marine Radio Operator's Guide.

London: Hutchinson's Scientific & Technical Publications, nd. (c.1940s). "Based on the author's fifteen years experience at sea, during which time he served in all classes of vessels from tramp steamers to cruising liners and 'Big Ships'. It is not intended as a training manual in the strict sense of the word, but rather to supplement the training an operator will have received..A chapter on uniform and kit has been included, as the majority of first-trippers have only a hazy notion of what to purchase, and invariably buy far more than they will ever need.." Pp72, frontispiece + 3 further black & white plates, 7 pages of ads to end. Blue cloth, slightly rubbed. Scarce. G+.