Guenter Wendt’s personal copy of the McDonnell Project Mercury Familiarization Manual, 9 x 11, signed once on the vinyl cover in ballpoint, “G. F. Wendt,” and again on the last inside page, “G. Wendt.” Cover is also signed in black felt tip, “Scott Carpenter, Aurora 7,” “Gordon Cooper, Mercury 9, Gemini V,” and “Wally Schirra, Mercury 8.” Skipping to Wendt’s front cover signature, light cover creasing and handling wear, and toning from a bookend on back cover, otherwise fine condition. Issued in December 1962, "this document is applicable to spacecraft 20 and its one-day orbital mission…The purpose of this document is to present a clear operational description of the spacecraft systems and major components.” Pre-certified Steve Zarelli and RR Auction COA.
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