Apollo Command Module Block II Acceleration Gauge. Gauge measures 2.25″ wide with a dial calibrated from -1 to 15 gs. A Bendix Instruments and Life Support Division label is affixed to the housing and reads, in part: “Indicator, Accelerometer…Mfr. Serial No. 01546903021E.” Several inspection stamps are also present on the housing. In fine condition. RR Auction COA.