Uncommon pair of spiral-bound Apollo Guidance Computer (AGC) training checklists prepared by AC Electronics for "Apollo Mission 204," the designation for Apollo 1, 17 pages, 3.5 x 6.5, March 16, 1966. The checklists document AGC programs, noun codes, verb codes, checklist and error codes, input/output bit assignments, Autographic condition: downlink format, and analog data telemetry and recording. One is marked on the front in red ink with its dimensions, "3 1/2 x 6 1/2," and the other is marked "George Silver"; both have a few annotations inside. The "George Silver" examples also has a grid of handwritten codes on the second-to-last page, plus one additional page of error and verb/noun codes for Sunrise 69, the final release of the Block I Command Module (CM) Apollo Guidance Computer software. In overall fine condition, with light wear from use.
