New Variac

Ad3dd209 f1c2 428b 9060 a6e7ac9e0ed0outlier
No worries, I have the solution.
That's shocking(increasingly)!!
I have a variac! Now I have contributed as much, or more, than the OP!
@Jond- Variable thanks, for your contribution!
Really, It is just one knob.
You've been twisting your own knob since puberty.
Or have you not gotten that down yet?
That question was rhetorical. :)