I will eventually break this tube (implosions! I know!) and use the electron gun and phosphor inside the vacuum chamber.
The idea is to run the sydney experiment with a pure electron beam. We are currently using an air or deuterium plasma.
Before I break the CRT I will operate it in tact. Here is the pinout for 3BP1.
This sweet CRT hack is a good start for the power supply needs.
Already got the hot cathode running:
On the 3D printing front I received the 3D printed ceramic coffee cup I ordered last month:
It looks really promising. Soon we’ll have a 3D printed ceramic magrid.