United States Air Force countdown clock measuring 19 x 18.5 x 7.25. This digital countdown clock is a stack of two separate readouts, the first of which is labeled "Countdown 1" with display panels for mission, minutes, and seconds; and the second readout, labeled "Countdown 2" with displays for hours, minutes, and seconds. Two labels are affixed to the front which read: "Property of USAF PAN/AM/ASD 08(606)-68C-0040,” with several handwritten black felt tip notations written on the side. There are six pin-type connectors on the rear that would connect to communication cables. In fine overall condition, with expected wear, and a small crack to top display. This clock would have been associated with various launch operations, primarily to place military payloads into space. RR Auction COA.
Terms and abbreviations used in our descriptions.