The magic C-Clip that releases the whole shebang
All the partses.
the rubber bushing remains in the frame. you can poke it through from underneath.
The original, permanently squished rubber bushing.
Some completely deteriorated foam pads were once here.
The Selectric feet bolts are an exact fit for the Triumph’s case, and the machine’s actual feet fit perfectly over the nuts if you make sure the pointy edges aren’t pointed at the sides.
Cut the rubber roughly to size, you can trim it to exact size when you fit the washer and c-clamp back on.
The new rubber bushing, installed.
Repurposed feets from an IBM Selectric II
cleaned up real nice! :D