Photo-Oil Coloring for Fun or Profit by Lucile Robertson Marshall. Manual for Marshall's Oils.

U.S. Camera, 1944.  Red cloth, no dust jacket, very good plus, with slight wear at top of spine and a few fingerprints on front flyleaf.  135 pages. Illustrated with color photographs as well as drawings and photographs in black and white. Author was Color Consultant and Vice President, John G. Marshall Inc., manufacturer of the popular Marshall’s Oils, used to apply color to black and white photographs.  One of many books issued by Tom Maloney, owner of U.S. Camera Publishing Corporation, which also published the U.S. Camera annuals and magazines.