Flown double-sided checklist page from the Experimental Procedure Book carried on board the Gemini SC5 spacecraft, 5.5 x 8, identified on a tab as “D6/D4/D7.” The page marked “D6” is headed “Equipment Modes,” and contains a list of twenty telescopic and periscopic images taken during the Gemini 5 mission; and the opposite side, marked “D4/D7,” lists receiving stations for transmitter experiments and the starting procedures for a “Cooled Spectrometer Check.” In fine condition. Accompanied by a copy of the original letter of provenance from Pilot Charles Conrad.