Radford Variac

[eastone]

I'd buy it if I knew how to use it without frying myself...

https://www.ebay.co.uk/itm/18558301...d=link&campid=5338728743&toolid=20001&mkevt=1

 

[a.palfreyman]

Frying Tonite!

 

[Tony L]

More a high voltage PSU than a variac to my eyes. The sort of thing you’d power a CRT with.