SP-4103 Model Research - Volume 1

NACA veterans liked to claim that there was never a sound barrier. That view was not shared by staffers at the Ames laboratory who prepared this NACA exhibit for the Santa Clara County Fair in September 1947, just one month before the barrier was broken. (ARC)

NACA veterans liked to claim that there was never a sound barrier. That view was not shared by staffers at the Ames laboratory who prepared this NACA exhibit for the Santa Clara County Fair in September 1947, just one month before the barrier was broken. (ARC)
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