Uncommon official NASA technical note (TN D-4068) manual entitled “Qualification Evaluation of the Pitch Control Motor for the Launch Escape System of the Apollo Spacecraft Program,” prepared by B. J. Lee and P. E. Cota, Jr., 93 pages, 8 x 10.5, dated August 1967. The abstract reads, in part: “This paper is a summary of the qualification test phase (consisting of environmental testing and static test firing) of the Apollo pitch control motor test program…The results of the qualification test program investigation confirm that the pitch control motor is qualified for the Apollo Spacecraft Program.” Sections include: Symbols, Pitch Control Motor Description, Environmental Testing, Static Test Firing, and Conclusions. In very good to fine condition, with staining and soiling to the covers from use.