Offered is the Globe type 80 Full Wave Rectifier Tube by Cunningham. The tube tests good on the EICO dynamic tester with strong diode readings. The tube has smooth black plates, hanging filaments and a lower side getter with excellent silver flashing. Has a few loose oxide particles within. Hot-Stamped base graphics. Production code: E5. Late 1920's production. Pick up the tube for your own radio.  Mouse over the photo images to zoom in. NO RESERVE!! Thanks for looking.