1963 NASA clean room tig welder - photo
1963 NASA clean room tig welder. Full caption is:
Quote:
TIG 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
Fullsize image: https://s3-us-west-1.amazonaws.com/h...r_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...tig_welder.jpg
Previously:
https://www.homemadetools.net/forum/...924#post175645
https://www.homemadetools.net/forum/...861#post175368
https://www.homemadetools.net/forum/...053#post160683