Manufacturing reactor pressure vessels in the 1960s. 11:00 video.
https://www.youtube.com/watch?v=3eYce6SnUlI
Previously:
https://www.homemadetools.net/forum/...452#post185531
https://www.homemadetools.net/forum/...861#post156375
https://www.homemadetools.net/forum/...960#post144803
https://www.homemadetools.net/forum/...978#post137684
https://www.homemadetools.net/forum/...066#post129981
