Tektronix PS502 Dual Tracking Power Supply

Orig CostLow BidHigh Bidaverage
$130 (1973-new) ...
no bids (asked $25+reserve) 6/21/04 #3823255478 allgoneby2000 (untested?, no paypal)
$9.99 (+$20 ship) 8/16/07 #120150122371 threejsandt (1 bid) (untested)

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    Dual tracking power supply
    5V, 0-20, 0-20. UP TO 400 ma