On Sale At hmsr.org!

Supreme Tester


Vintage Supreme Instrument Co. Model 333 Tube Deluxe Analyzer/Tester, Steampunk

$89.95


Nice Rare Supreme Instruments Corp. Tube Tester Model 503 low serial # 805

$124.99


Vintage Supreme 589-A Tube Valve Checker Tester UNTESTED AS IS Condition

$23.99