Unbound period photocopy of the Grumman “Apollo Operations Handbook, Lunar Module 4, Volume I, Subsystems Data,” September 15, 1968, 8.5 x 11, totaling over 400 pages. The manual includes numerous revisions from the original handbook issued in July 1968, and details the functions of the lunar module’s subsystems, including guidance and control, propulsion, electrical power, environmental control, communications, explosive devices, instrumentation, lighting, and personal equipment. In fine condition, with toning to edges and some scattered creases. The Leon Ford Collection.
