Just checked, the brush is still being sold: https://www.adorama.com/cpsmb1.html?gclid=CjwKCAjwx7DeBRBJEiwA9MeX_KT_5IEuluuu8ICYDJqJGc_Wx_036IXUW4...
It is expensive and Polonium has a 6 month half life so you will need to buy refills.
I am going to try weaving a copper wire down the center of my carbon brush and run a connection to an outlet. That might work?
It is expensive and Polonium has a 6 month half life so you will need to buy refills.
I am going to try weaving a copper wire down the center of my carbon brush and run a connection to an outlet. That might work?