Spiral-bound book from the George C. Marshall Spaceflight Center's Quality and Reliability Assurance Laboratory, Analytical Operations Division, entitled "S-1C-501 Mechanical Systems Schematics," 24 pages, containing large full-page diagrams for a variety of the vehicle's subsystems and components, including: "GN2 Control Pressure System," "Emergency LOX Bubbling System," "Fuel Tank Bubbling System," "Fuel Pressurization System, Helium," "Hydraulic Control and Prefill System," "LOX Pressurization System," "Fuel Delivery System," "Pressure Switches and Calibration Lines," "Umbilical Plates," and "F-1 Engine Control System," and "Servo Actuator & Heat Exchanger Systems." In fine condition, with soiling and toning the the covers; interior pages are all clean.
