They are just regular white paint. The trick is in the thick dial plastic that touches the dial markings. It acts as a conduit for the light, like a fiber optic strand, and makes the markings seem to light up.
They are just regular white paint. The trick is in the thick dial plastic that touches the dial markings. It acts as a conduit for the light, like a fiber optic strand, and makes the markings seem to light up.
On all the boxes I own, it seems like the vast majority don't have that. If you take them apart, the metal tuning strip is there, exposed, with no plastic over it.
About the same. Too thin and it becomes hard to inject light into the plastic as it only accepts light at the edges and a thin edge is too small a receptor window unless there is a ramp like thickening of the plastic where the bulb is.
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