1 NOS Sylvania 5Y3-GT Vacuum Tube. Hickok TV-7D/U tests read 60/58. This Sylvania tube was made in the USA. Much of the painted labeling has worn thin from rubbing inside the box.
Item Tag: 5Y3-GT
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1 NOS Rogers 5Y3-GT Vacuum Tube 1952 Vintage for Radios, Amps & Power Supplies
1 NOS Rogers 5Y3-GT Vacuum Tube. Hickok TV-7D/U tests read 56/63. This tube is from 1952 Canadian production.