Uncommon complete set of six brad-bound 1966 NASA Apollo training manuals, each 8.5 x 5.5, various lengths. These early manuals were originally provided to the Director of Flight Sciences at North American Aviation. The department was responsible for the aerodynamics, reentry heating, and trajectory mechanics of NAA’s Apollo proposal. Manuals included are: Apollo Spacecraft and Systems Familiarization, Guidance and Navigation Subsystems, Structures and Mechanical Subsystems, Environmental Control Subsystem Study Guide, Electrical Power System Study Guide, and Crew Equipment Study Guide. In very fine condition. By 1966, the Apollo design was well underway. These manuals show the actual specifications, design details, and some photos of the equipment as it then existed. While single manuals come to auction occasionally, and usually in well-used condition, complete sets are seldom offered, especially in this excellent of condition. RR Auction COA.