Some 30 miles away, at Farnborough, Britain held its annual air show, inviting some 6,000 foreign visitors, military and civilian, to admire and buy the flying products of British airplane makers. The visitors gyrated in machines that simulate the violent motions of a jet fighter in flight; they were shot in an ejector seat up a vertical runway; they drank champagne in booths maintained by sales-conscious manufacturers.
Stars of the show were Britain's newest jet engines. De Havilland's Gyron has 15,000 Ibs. of static thrust, is claimed to be the most powerful in the...