Radiomarelli twin tubs
My take is that is washes with vario force of water pressure, rather like the Parkinson Cowan wringer washer Keith, it uses a powerful pump to recirculate the water and in this case causes the clothes to roll throughout the tube on and over the central dome base. Water must be sucked from the sides and then pumped through the base jets to roll the clothes …
Be fab to see this one in action, he has some ingenious washers from the Perobot to this one, the spinner looks very similar to the Duomatic !!