GLORIA (‘Geological Long-Range Inclined Asdic’), and ancillary equipment, designed at the Institute of Oceanographic Sciences, Wormley, UK, 1993. This instrument, sometimes known as GLORI-B, was the last of four GLORIA devices to be constructed between 1965 and 1993. GLORIA (‘Geological Long-Range Inclined Asdic’) 1993
MS48 hydrographic echo sounder analogue recorder made by Kelvin Hughes and used by the PLA hydrographic service to collect sonar data about the River Thames, British, 1970-1999. Sonar Chart recorder 1970-1999
Acoustic transducer elements from (b) short range ride scan sonar array also known as GLORIA (Geological Longrange Inclined Asdic) apparatus developed by Institute of Oceanographic Sciences, England, 1945-1980. Acoustic transducer elements from short range ride scan sonar (GLORIA) 1945-1980
Acoustic transducer elements from (a) Long range ride scan sonar array known as GLORIA (Geological Longrange Inclined Asdic) apparatus developed by Institute of Oceanographic Sciences, England, 1945-1980. Acoustic transducer elements from a long range ride sonar array (GLORIA) 1945-1980