DEVICE FOR REDUCING JET ENGINE NOISE - 1960S CU of a diaphragm-like device called a Sonic Throat Inlet built into a jet engine which regulates the flow of air to reduce noise. The device is part of a noise reduction program for jet engines carried out by Boeing for NASA.
Date: 1960s - COLOR Source: Film: 16P Length: 00:00:23:00, No Audio
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