"Tub Mills" on the 18th Century ia Frontier ...
The 18th century mills on the ia and Pennsylvania frontier are known to have been "tub mills," which likely looked more like this photo below, as opposed to a fall-themed Hallmark postcard.It actually screams moonshine to me, but in the old days, I suppose it screamed "mediocre biscuits.". A tub mill in western North Carolina (Swain 1913: 122).