I don’t know, I will try to ask (it's my uncle in Florida who asked me and he is not a friend of this future technology called internet so I must try to use old fashion tech such as wire telephone).
However, we have our own idea that it might be some sort of mechanical device that is used in...
I have received images of a mechanical device from South America.
It contains a plate with circular bowls rotating counter clockwise when winding up a spring using a key. 4 or 3 firmly fastened metal blades wipe of the surface while the plate rotates and a wooden blade is lowered underneath the...