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Variable Density Wind Tunnel

Description: Left to right: Eastman Jacobs, Shorty Defoe, Malvern Powell, and Harold Turner. In this photo taken on March 15, 1929, a quartet of National Advisory Committee for Aeronautics (NACA) staff conduct tests on airfoils in the Variable Density Tunnel. (In 1985, the Variable Density Tunnel was declared a National Historic Landmark.)

 

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Credit: NASA

Image Number: L-3310

Date: March 15, 1929

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Uploaded on March 15, 2024
Taken on March 15, 1929