RCA TYPE 84/6Z4 RECTIFIER VACUUM TUBE FOR OLD RADIOS TEST GOOD

NATIONAL BRAND TYPE 85 DUAL DIODE/TRIODE VACUUM TUBE FOR OLD RADIOS BOXED TESTED

ZENITH 5V3 DUAL RECTIFIER VACUUM TUBE FOR OLD RADIOS BOX3D, TEST GOOD

VINTAGE RCA 5Y4 FULL WAVE RECTIFIER VACUUM TUBE FOR OLD RADIOS TEST GOOD

Lot of (4) Vintage Type 5Z4 Rectifier Vacuum Tubes - Tested

(1) Tested National Union 25Z5 Tube Date Code LR Rectifier Doubler Tube

NATIONAL UNION 5U4G TUBE DUAL STEEL CENTER RODS FULL WAVE RECTIFIER NOS NIB

1 x NOS KEN-RAD 5Z3 US Made Vacuum Black Plates Rectifier Radio Valve Tube