1963 NASA clean room tig welder. Full caption is:
Fullsize image: https://s3-us-west-1.amazonaws.com/h...r_fullsize.jpgTIG WELDER LOCATED IN THE CLEAN ROOM OF THE TECHNICAL SERVICES BUILDING TSB - THE INERT GAS WELDING FACILITY IS USED FOR WELDING REFRACTORY METALS IN CONNECTION WITH THE COLUMBIUM LIQUID SODIUM LOOP PROJECT
Previously:
1964 NASA tensile machine crack toughness test - photo
1944 metallurgy supercharger - photo
NASA boiling fluids rig - photo
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