Sonar 3000 Sidescan Sonar for Seabed Survey
Dowty Maritime Systems - Sonar 3000 Sidescan Sonar for Seabed Survey
Original photo in the Dowty archive at the Gloucestershire Heritage Hub
Dowty Maritime Systems - Sonar 3000 Sidescan Sonar for Seabed Survey
Original photo in the Dowty archive at the Gloucestershire Heritage Hub
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