U.S. Letters Patent No. 284,084 for an improved water mill, issued to Christofer Friderich Carl Steinhagen, 28 August 1883. Patent application was filed November 21, 1882, it was issued on August 28, 1883 and expired on August 28, 1900. Includes drawings of two perspectives. Dimensions: 11.88 x 8 in (30.18 x 20.32 cm)
Source
Gift to Winedale Historical Complex from Marguerite Rast, 1971.