I picked up what appears to be an internationalised IBM WheelWriter 6 for five francs at a local Zürich junk shop; originally I wanted it for the keyboard but it turns out to be in perfect working order. (Curses.) I made a video. (Now in full HD 60fps — I have a new camera!)

Editing is hard, and I’ve spotted one mistake, but I’m not sure anyone else will…

So, turns out that the bus protocol’s been reverse engineered, and you can use one as a printer, with a bit of breadboarding and an Arduino. You can even print graphics! Slowly…