Apollo Command Module Block I Display Attitude Gyro Accelerometer Electronic Control Assembly manufactured by Honeywell, measuring 11.5 x 5.5 x 22, with an affixed parts label reading, “Control Assy Electronic Display/Attitude Gyro Accelerometer, NAA/S & ID Control No. E901-0170-0004, Mfr Serial No. 10028FAD1009, Mfr Part No. DBG220D1, Contract No. M3J7XA-406004, Mfr Date 5 Oct 1964.” Stamped beside this label is “Developmental Use Only.” The face has three serial inputs labeled “J265,” “J266,” and “J268,” as well as “Display” and “Agap” hour counters, and the primary assembly unit contains 31 modules labeled from “A1” through “A31.” In very good condition, with heavy soiling to the face and dings to the body. This electronic assembly functioned as part of the Apollo Command Module Stabilization & Control System providing control signals to CM Body Mounted Attitude Gyros and also served as the interface between attitude reference sensors and spacecraft panel electronic displays. Oversized.
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