I figured this group might know, its not my post just happened to see it:
https://www.reddit.com/r/whatisthisthing/comments/v24teq/struggling_to_figure_out_what_this_large_metal/?utm_source=share&utm_medium=ios_app&utm_name=iossmf
And I cant resist a cheesy joke, I think its a typeblock from a TTY Model 28000. (Boom tish)
Jeff KC3GJX