Oversized 70 x 18 'pre-release' blueprint by Convair-Astronautics entitled "Space Control Layout, Model 55, 'Centaur', AC #6," featuring several detailed diagrams of the expendable launch vehicle. The schematics are labeled to identify many parts of the vehicle, including "Separation Bumper Guides," "Radiation Shield," "Discrete Level Sensing Probe," "Thrust Cylinder," "Access Door," "Oxidizer Tank Pressure Line," "RL 10A3 Engine," "H2O2 Bottle Rocket Supply," "Helium Bottle," "Instrumentation Boxes," "Aft Umbilical Panel," "Oxidizer Fill & Drain Outlet," "Fuel Boost Pump Housing," "Guidance Electronic Platform," and many more. In very good to fine condition, with short edge tears, toning, and small areas of paper loss at fold intersections.
