5" CRT Tube RCA Radiotron Electron Tube 5UP1 5UPI vintage 50-years old
Vacuum Tube 8421 5092 Used Tested Working Bulk Lot of 5
Vacuum Tube Bulk Lot of 22 6AL5
Vacuum Tube Vintage 1953 Quartz Plate Gold Brush Freq 8820 KCS
Vacuum Tube Vintage 1953 Standard Radio Quartz Plate Gold 4013GRP3 Frq Kc 8820
