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1 X EL38 TUBE. NEW OLD STOCK.
BRAND: PHILIPS-MININWATT. 1960s PRODUCTION.
BLACK PLATES, INVERTED CUP GETTER, COPPER RODS.
TESTED IN ROEHRENTEST TUBE TESTER:
87% 79.25mA EMISSION (EM) 12.37mA/V TRANSCONDUCTANCE (GM)