Logic module from a Block I Apollo Guidance Computer (AGC), measuring 10″ x 2″ x .75″, marked on the edge: "Logic Module A1-A16, NASA No. 1003074, Rev J, Mfg by Raytheon Co., Serial No. Ray 40." The plastic protective cover over the pins is marked "HF-EX-A-21458-A." In fine condition. The Fairchild integrated circuit chips used in the Block I AGC's logic modules were the first mass-produced IC chips, making this an exceptional piece of both Apollo and computing history. From the Don Eyles Apollo Computer Collection.
Terms and abbreviations used in our descriptions.