Journal of the Society of Motion Picture Engineers (1930-1949)

Record Details:

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in most respects to Tunnel 1, had a similar model mounted in its working section and was actually operated. After the test models of missiles had been displayed and basic instruments for measuring pressures, forces, and temperatures demonstrated, air was blown through Tunnel 2 at supersonic speed and a schlieren picture of the shock waves about the missile model was picked up on television camera 3 and telecast to the auditorium. At the same time the audience observed pressuremeasuring instruments in actual use and saw much of the operation which would have been difficult to demonstrate to a large group of visitors even had a trip to the tunnels been possible. The telecast concluded with a statement of planned improvements and future modernization of the plant, instrumentation and scientific techniques. John S. Auld: Mobile Television System 471