Rocking tub, wooden frame, Copper tub. May be used as a washer or a butter churn, Compressed air washer (Also could be used for money laundering.
Special Note:
US Patent 584563 issued 1897 to Rufus N. Scherer and US Patent 673194 issued 1901 to Frank B. Churchill See also 981169 and 413821 A later version was designed for money washing