Allied Steel and Conveyors Division, Sparton Corporation photograph albums, 1946-1956

Set of three photograph albums compiled by Bob Mitchell containing images of industrial equipment in factory settings related to the Sparton Corporation. Photographs produced by the Manning Brothers Commercial Photographers of Detroit, Michigan, and/or Krumms Photographic of Battle Creek, Michigan. Also present are numerous loose photographs, two clipped articles and images of machinery in the Mansfield Tire and Rubber Company. Includes 156 photographs. All volumes 26.5 x 34.5 cm.