Metal churn. Mixing element comprised of one piece of heavy steel, perforated with large circular holes throughout, attached sideways on thick metal shaft. Shaft attaches to iron cogwheel and crankwheel at top, which turn to create mixing action, metal arm with unpainted wooden handle attached. Molded handle on side, all upper components are molded iron or steel. Mixing apparatus is attached to thin metal lid, flat with upper lip which fits into top of accompanying container, metal cylinder. Cylinder has white sticker on bottom with "428" handwritten on it. Only mark on mixing apparatus is the number "83" stamped on top.
Unmarked, but may be a product of the maker Bernhardt Novelty Company, Spokane, Washington.
Related patent: US 1215214 A, February 6, 1917, Charles A. Stewart, Worcester, Massachusetts, for "Dasher".