PRD Electronics Type 686-A power meter. Meter measures 8.25 x 7.25 x 11 with a “Lockheed NAS 10-10900” label affixed to the top of housing. Front of the meter bears a “Not in Use NASA KSC” label, dated April 30, 1984, with four NASA inspection stamps affixed to the housing. In very good condition. RR Auction COA.
