Professional and Commercial Photographic Apparatus and Sundries, Catalog 55-5M-7-32, Folmer Graflex Corporation (Rochester, NY), dated 1932, ~6"x9", 46pp
Copyright 1932. Code on page 45: 55-5M-7-32 probably means July of 1932. The cover conveniently lists all the brand names assigned to this corporation by Eastman Kodak, who previously owned it as a Division and later as a Department.