Vacuum Bulb

Slang term for Vacuum Tube, Thermionic Valve, Electron Tube or Radio Tube.

This was popularised by the Youtuber Shango066 in his Radio/TV repair Videos

Singular: Vacuum Bulb
Plural: Vacuum Bulbs

"Let's see if we get any current draw through this here vacuum bulb" - 1

"We got something with vacuum bulbs" - 2

1. Shango066 on the video "1960 Zenith 16E25 BW TV Analysis Partial Resurrection For Future Repair" (18:00 minutes)
2. Shango066 on the video "CONRAC CRTS 4k" (9:55 minutes)