Early Aydin Vector “freq. div. wideband” multiplexer, 11 x 6 x 4.5, with various inputs and outputs on one side and a tag on the other with a label reading, in part: “19402080-301, Serial No. 13923AVS0578013, Date of Mfg. 0578, Contract No. NAS8-32066, Part No. 22137000-503.” In fine condition. RR Auction COA.
