4 ms·
This video is mostly about a diffusion pump, but he uses it to pull a vacuum in a homemade CRT made out of an Erlenmeyer flask and the filament from an incandes
by babypuncher 5y ago
This video is mostly about a diffusion pump, but he uses it to pull a vacuum in a homemade CRT made out of an Erlenmeyer flask and the filament from an incandescent light bulb.
https://www.youtube.com/watch?v=SrNVLCHrJtY https://www.youtube.com/watch?v=SrNVLCHrJtY