2 SYLVANIA TYPE 48 POWER TETRODES FOR DC RADIO SETS - TESTED STRONG

2 SYLVANIA TYPE 48 POWER TETRODES FOR DC RADIO SETS - TESTED STRONG (image 1/[null, null])
2 SYLVANIA TYPE 48 POWER TETRODES FOR DC RADIO SETS - TESTED STRONG (image 2/[null, null])
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2 USED TESTED VERY STRONG EMISSION SYLVANIA TYPE 48 POWER TETRODES FOR USE IN DC RADIO SETS, AS USUAL WITH THESE GETTER MIX DARK ON OUTSIDE BUT SILVER ON INSIDE, 48 CLEARLY VISISBLE ON GLASS, NICE CLEAN TUBES WITH TIGHT BASES AND NO LOOSE PARTICLES, TESTED ON A HICKOK TV-7 TUBE TESTER WHERE A GOOD 48 READS 50 OR ABOVE AND BOTH TEST 82, ANY ITEM I SELL RETURNABLE FOR FULL REFUND IF NOT SATISFIED FOR ANY REASON, SHIPPING TO ANY LOCATION IN USA OR CANADA 3.95 BY FIRST CLASS MAIL IN US AND PARCEL POST IN CANADA, SHIPPING TO OVERSEAS LOCATIONS IS 8.95 FOR FIRST CLASS INTERNATIONAL (AIR) MAIL, SEE MY OTHER LOTS FOR ADDITIONAL TUBES. LOTS MAY BE COMBINED TO SAVE ON SHIPPING.
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