Apollo 11 Mission Information Display. A 6x9 inch multi-colored slide rule type display which expands to 6x15 inches. The fr...

Apollo 11 Mission Information Display. A 6x9 inch multi-colored slide rule type display which expands to 6x15 inches. The front side display windows include local and ground elapsed time with corresponding major flight events, launch phase, and spacecraft mission velocities. The reverse side includes mission events after T+ 75 hours and sliding scale timelines for the LM descent and ascent profiles. signed by buzz aldrin along the top center. TRW Systems Group, 1969