If you're going to work on a "hot chassis" tube radio, don't do so while standing on a concrete floor in stocking feet.
I got a mild shock while touching the shaft of the volume control, so I pulled the plug, reversed the prongs, and plugged it back in.
I touched the volume control shaft again, and got an even BIGGER shock that time..........
I got a mild shock while touching the shaft of the volume control, so I pulled the plug, reversed the prongs, and plugged it back in.
I touched the volume control shaft again, and got an even BIGGER shock that time..........