File Homes: Ann Arbor, Michigan and Ottawa, Illinois [Leslie Labs] Box 12 In: Eugene H. Leslie Papers, 1916-1964 » Photographs
File Acetic Acid Plant, East Ohio Gas Co., 1939 Box 12 In: Eugene H. Leslie Papers, 1916-1964 » Photographs » Oil Industry
File Cracking Stills, ca., 1920s Box 12 In: Eugene H. Leslie Papers, 1916-1964 » Photographs » Oil Industry