Re: Wish I knew what kind....
They're pricey, but may scratch an itch...
https://www.modelfkeyboards.com/store/
"Bringing back the classic buckling spring and beam spring keyboards, built to last for decades but out of production since the 1980s, for a short production run ending soon!
Now you can save over 50% from what they cost originally in 1984, adjusted for inflation."