Included are clippings; copies of awards; Prentice Hydraulics equipment catalogs, manuals, advertising, and employee handbooks; videotapes; photographs; a poster; and miscellaneous ephemera. The videotapes include footage of logging operations in the 1930s and 1940s, family photographs, Leo Heikkinen Memorials, the Prentice Progress Days parade, Prentice Hydraulics, an interview with Carl and Bill Heikkinen, and Finnish polka music played by the Finn Power Band from Merrill, Wisconsin. The photographs, transparencies, and photocopies include images of Leo Heikkinen, Leo Heikkinen Day in 1966, Prentice, Wisconsin, and images related to Prentice Hydraulics. Also included are images from a story in Life Magazine about Dr. G.E. Mackinnon.
