I will be replacing the altimeter and the vertical speed indicators to get rid of the radium painted dials. The rest are OK. Although it’s not a huge concern because it’s only two indicators, I want the dials to be white to match the airspeed Indicator and soon to be rescreened tachometer dial.

They used radium-226 paint to make the dials visable at night.   These two really light up in the dark after exposure to some light