Zenith 17AX3 Radionic Vacuum Tube NOS TESTED @ 92% on B&K 700 tester Made in USA

(1) Tested Zenith 17JM6 Tube Date Code 14-43 with Original Box

Zenith 12HL7 Vacuum Tube Radionic w/ Original Box

(1) Tested Strong NOS Zenith 6JM6 Tube Date Code 3-04 with Original Box

Zenith Radionic Vacuum Tube with box 6HS5 TESTED @ 92% on B&K 700

NOS Zenith 6AH4GT tube in original box,tested great!,TV,radio,triode,6AH4,GE

6 BA 6, EF93, Tube, RCA Radionic Tube, Tested 100%, Original Box, Lot 1

Vintage Zenith Radionic 6V3A Vacuum Tube – NOS in Original Box 📻✨