A black and white photo of Dr. Carlton H. Schlesman explaining a process of oil refining to another man on a chalk board. On the back of the photo, there’s an inscription that reads, "Dr. Carlton H. Schlesman, research and development head of Socony-Vacuum oil Company is general Laboratories in Paulsboro, N.J. explaining a process of oil refining." There’s a stamp that reads, "Photo by, William M. Rittase, 247 S. 15th St, Phila Pa, Phone, Pen 1418. Print No. S.V. 6, 1937." In writing, it reads, "Used in Socony-Vacuum News, July 1937, p. 2." There’s a typed piece of paper that reads, "Please Return To:, Socony-Vacuum Oil Co., Inc., 26 Broadway - New York 4, N.Y., Advertising Dept."