Hewlett-Packard 3443A High Gain/Auto Range Unit, 6 x 4.75 x 8.75, featuring a voltage selector knob on the front panel. Conventional piece of test equipment adopted for a non-flight application in the Space Shuttle program, bearing two NASA labels and one Lockheed label affixed to the front. In fine condition, with expected usage wear. RR Auction COA.
