If you need parts, hit me up. I have nearly an entire disassembled QDL (same vintage as your machines) in good condition that I will not be using.
u/typercito has a 50s Royal Quiet De Luxe that is a parts machine if necessary.
https://www.reddit.com/r/typewriters/comments/1ua62rl/comment/osohxex/?context=1&screen_view_count=2