SYLVANIA TYPE 80 RECTIFIER VACUUM TUBE - TESTED NOS - CODE 5T -ST SHAPE

Sylvania ST Type 80 Vacuum Tube Tested

No Type 30 NOS Sylvania audio radio amplifier vacuum tube valve tested ST 230 30

Sylvania Type 41 Vacuum Tube ST Shape I-177B Tested

SYLVANIA TYPE 80 RECTIFIER VACUUM TUBE - TESTED NOS - ST SHAPE

No Type 41 NOS Sylvania audio radio amplifier vacuum tube valve tested ST 241 41

- Tested Very Strong - Type 24a Sylvania ST Shape Vacuum Tube

Type 6B8G Sylvania audio radio vintage vacuum tube valve tested ST shape