Vintage RCA Electron Vacuum Tube 6CX8 NOS Untested for sale online | eBay
RCA Electron Tubes - Electronixandmore.com
Vintage 1950's RCA Electron Vacuum Tube 6CB6 New Old Stock in Box | eBay
1616 - Vacuum Tube -Electron Tube -RCA - NEW Old Stock G21 | eBay
CV597 - 2X2A RCA Electron Vacuum Tube
True NOS NIB RCA USA 7A6 Vacuum Tube
2D21 Thytron Vacuum Tube. Designed to be used in relay and grid-controlled rectifier applications. MFR: RCA, Westinghouse, Sylvania, GE, Tung Sol, National. SKU: 2D21. New old stock. No longer available for export.
Sylvania Electron Vacuum Tube in RCA Box – Works – Tempe History Museum