Robert Perdue, here in Roanoke, has some wringer washers he would like to sell cheap! Sorry no pix available. You can phone him at (540) 309-1218 7-9PM EST for more information.
TWO square Maytag "Gray Ghosts"----both work.
One Round Maytag Gray Ghost. Has "greenish" porcelain tub and removable lid. Works.
Early 1950's (ABC) Kelvinator. (Will need to fashion a motor coupling to make it work.)