Recapping a 1955 RCA KCS92d

[old_coot88]

QUOTE:

"If you can get 1/4"+ of arc from the top cap of the HV rect,..."

To expound a bit for a newbie, use a metal screwdriver with an insulated handle. The screwdriver is ungrounded. It draws the arc due to its innate capacitance in the air.