1952 NACA heat transfer rig. Original caption: "HIGH PRESSURE HEAT TRANSFER TEST SECTION AND RIG".
Fullsize image: https://s3-us-west-1.amazonaws.com/h...g_fullsize.jpg
Previously:
1951 NACA 20-inch compressor in lathe - photo
1956 NACA wind tunnel wall jacks - photo
1956 NACA magnaflux inspection - photo
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