"Planes With A Bite" - At The Air Show -- In the right background is a British Overseas Airways Corporation "Comet" - the world's first jet airliner. Aircraft that 'pack & punch' are on show at the society of British Aircraft Constructors' exhibition here. In the foreground is the Avro Type 707A, a delta-wing research aircraft, powered by one Rolls-Royce Derwent Turbo jet engine. September 1, 1952. (Photo by Planet News Ltd.).;"Planes With A Bite" - At The Air Show -- In the right background is