Phil Robertson addresses members of the American Association of Cereal Chemists during a reception to celebrate the gifts of the historic milling equipment to the Smithsonian. To Phil's right stands Dr. G. Jerry Sharrer.
Glenn Bleile and John H. "Butch" Robertson at the 1980 Jackson County Fair in the Antique Display tent with the circa 1890 Edward Allis Purifier; sign on top of the purifier with the text "This PURIFIER, from about 1890, is identical to the oneā¦