USED TUNG-SOL TYPE 84/6Z4 RADIO VACUUM TUBE TEST GOOD

NATIONAL UNION TYPE 25Z5 DUAL RECTIFIER VACUUM TUBE FOR OLD RADIOS TEST GOOD

1- Philco Type 84 6Z4 Vacuum Tube Tested Hot Stamped Base

1X2B CBS High Voltage Rectifier Vacuum Tube - NOS - TESTED

1 Philco 84 aka 6Z4 Vacuum Tube - 1930's Rectifier for Vintage AM Radios

Vintage Z571M RFT German Simbol Nixie Indicator Vacuum Tubes NEW

OLD LOGO RCA - 6Z4 - TYPE 84 - Vacuum TUBE - Tests STRONGLY

Rogers Vacuum Tube 1S2A / DY87 High Voltage Diode Rectifier NOS/NIB (#7200)