Gene Kranz's personally used "Addendum Data Report for Mercury-Atlas Mission 5 (MA-5 Spacecraft 9)," as prepared by the Engineering Data Office, consisting of a total of 146 figures (many folded), 8.5 x 10.5, December 11, 1961, signed on the front cover in black felt tip, "From my mission files, Gene Kranz." This report is a supplement to the Postlaunch Memorandum Report of the Mercury-Atlas Mission No. 5 (reference 1). It is a compilation of time histories of quantities measured onboard the capsule during the flight and recorded on an onboard tape recorder. The figures relate to: "Automatic stabilization and control system," "Reaction control system," "Electrical system," "Command receivers," "Environmental control system," "External temperatures," "Pressures," "Accelerations," "Yaw data converter," "Temperature survey," "Spacecraft axis and diagram," and "Spacecraft instrumentation system block diagram." The word "Confidential" has been covered in black felt tip on all pages and covers, with the front marked: "B-12." In fine condition, with expected handling wear.
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