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Radar Secrets On Show For The First Time -- A huge wide-angle scanning unit with lens aerial. It has a beam swing of 36 degrees and an eight feet diameter lens aerial, shown at the Exhibition. An exhibition at the Ministry of Supply's Radar Research and Development Establishment was opened at Malvern, Worcestershire, by Mr. G. Strauss, Minister of Supply. This is the first time that the Establishment has allowed visitors to inspect its activities. September 22, 1949. (Photo by Sport & General Pr
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TOP27902742
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