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1 X JAN 7308 RAYTHEON TUBE. NEW OLD STOCK.
BRAND: RAYTHEON. 1970 PRODUCTION.
GREY PLATES, HALO GETTER.
TESTED IN AMPLITREX AT1000 TUBE TESTER:
116/116% EMISSION (EM) 100/99% TRANSCONDUCTANCE (GM) 0.2/0.2mA/V GAS