How to build a good Lab Vaccum Chamber

[bubal]

This is how I made this Vacuum Bell Jar system for use in laboratory. You can use several sizes of bells (kitchen glass bowls) and you can input electricity through the 4 spark plugs.

 

 

 

[Enthalpy]

Well done!

Many thanks for sharing!

[John Cuthber]

For a start, you can make it a lot better by putting a cage over it to trap the flying glass if it breaks.