Official bracket-bound NASA “Apollo Operations Handbook, Lunar Module 4” (LMA790-3-LM 4 / NAS 9-1100, Exhibit E, Paragraph 10.4) for the Apollo 10 mission, with the subheading, “Volume II, Operational Procedures.” The manual, 8 x 10.5, approximately 575 pages and 1.5″ thick, dated July 15, 1968, is comprised of two main sections: Normal/Backup Procedures (which features 15 subsections such as Prelaunch Closeout Checks, Subsystem Activation, Subsystem Deactivation, G&C Reference Data, Prethrust, Navigation, Alignment, Separation & Docking, Staging, Extravehicular Activity, and more), and Contingency Procedures (which features three subsections: Abort Procedures, Malfunction Procedures, and Emergency Procedures.) Also contains two detailed appendices related to Symbols and Abbreviations, and Controls and Displays. The spine is marked in felt tip: “AOH, LM4, 2.” Housed in its original three-ring binder. In fine condition, with foxing to the front cover and fore edges.
