1952 NACA heat transfer rig. Original caption: "HIGH PRESSURE HEAT TRANSFER TEST SECTION AND RIG".

Fullsize image: https://diqn32j8nouaz.cloudfront.net...g_fullsize.jpg




Previously:

1951 NACA 20-inch compressor in lathe - photo
1956 NACA wind tunnel wall jacks - photo
1956 NACA magnaflux inspection - photo