Apollo Command Module (Block I) Main Display Console (MDC) Rotary Switch, measuring 5.5″ long and 1.75″ in diameter, with a Daven manufacturer's label to the body: "Switch, Rotary, Hermetic Sealed, NAA/S&ID Cont. No. ME452-0093-0003, Serial No. 03050 ABLE 290, Daven Part No. 11023, Contr No. NAS 9-150, Mfg. Date 9-15-66." In fine condition.
From The Peter Gerry Collection.
