Apollo Guidance and Navigation System eyepiece stowage case, measuring approximately 23″ x 8″ x 12″, with an MIT Instrumentation Lab/AC Electronics tag on the top: "Apollo G & N System Eyepiece Stowage Unit, Part No. [2021255-01, blacked out] MX 117120-011, Serial No. ACSK-2, Cont. No. NAS 9-497." Below is a small affixed label, "GFP/AMS." The spring-loaded lid is secured by two knobs in the lower corners; affixed on the face is a large gray-and-white label, headed "Alarm Codes (V05N09)." The lid opens to reveal three form-fitting eyepiece compartments. In very good to fine condition, with some general wear.
Terms and abbreviations used in our descriptions.