Don Pearce wrote:


Finally the whole thing went into a vat of molten lacquer, a lid put
on and the vat was evacuated. It stayed there for about two hours.

The winder I know paints lacquer on every layer before adding the paper,
he says that even immersing under a vaccum can still leave gaps in the
center of the coil.

Part of why it takes him so long to do one coil.

--
Nick