I wouldn't buy a used one of those like on Ebay. In stores where they are commonly used, they often clean up vomit and other body fluids people lose in public on the floor. That would be a terrible health hazard. Not to mention other spills in factories that might have pesticides in them, or other nasty things.

I do have the rotating drum washer in that first link Jo put up. I have it upNorth. I use it for underwear and sleepwear. It uses very little water. The only downside is that the closing screw is hard on my hands... so for people with arthritis it is painful.

The thing I don't like about wringers is that they make wrinkles.