In my parents basement 60+ years ago we had a double concrete tub. My mother used one side to wring the clothes into the rinse water, the other to drain the Kenmore wringer washer into, my job was to catch all the clothes coming thru the wringer back from the rinse tub into the clothesbasket and carry it out to the clothesline. Before we got a Kenmore automatic washer and Bendix gas dryer which was a godsend.