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England/Wales. C. 1945-08. A remarkable H2S "map" of the Bristol Channel. (See SUK14704 for ...
Photograph
England/Wales. C. 1945-08. A remarkable H2S "map" of the Bristol Channel. (See SUK14704 for technical details).SUK14714
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Fishguard, Wales. C. 1945-08. The strong "echo" from Fishguard and the surrounding area of ...
Photograph
Fishguard, Wales. C. 1945-08. The strong "echo" from Fishguard and the surrounding area of Pembrokeshire coast as shown in a radar photograph. (See SUK14704 for technical details).SUK14713