NASA engineer's unbound "Apollo Operations Handbook (Volume 1)" for Lunar Module 2, intended for the Apollo 2 mission (AS-205/208A), 580 pages, 8 x 10.5, prepared by the Manned Spacecraft Center's Spacecraft Systems Branch, January 1, 1967. The comprehensive handbook offers summaries of the Lunar Module 2's systems, extensive data on its many subsystems (including guidance, navigation, and control; propulsion; environmental control; electrical power; communications; instrumentation; and many more), and detailed descriptions of the spacecraft's controls and displays. In very good to fine condition, with edge dings and mild wear from use.
From the estate of NASA engineer Milton J. "Jack" Neubauer, Jr