Large 91 x 36 blueprint entitled "Cylinder, Pan & Instrumentation Assy." for an unspecified aircraft, prepared by the Douglas Aircraft Company of Santa Monica, California, with a release date of October 12, 1967. Prepared by "Hiltz," who worked on the Saturn S-IVB, the blueprint boasts annotated full-scale diagrams of the component, along with a parts list. In fine condition, with heavy toning to intersecting folds.
