Hi folks new to this forum. I have a 1927 German Kienzle GF clock that runs perfect and sounds great. I was wondering if anyone has had to deal with clock hand shadows on old clock faces. My clock has a long history being over 90 years old but obviously must have sat unused for a extended period at some point. The minute hand is narrow so no shadow from it but the hour hand is the old spade or heart design and has left a shadow on the dial. It is clearly noticeable under good light conditions but less noticeable under low light conditions. The dial is brushed steel with painted numbers. The shadow is on brushed steel section. Science would somewhat dictate the dial is faded from exposure to UV light and the part that was under the hour hand was protected and is less faded causing the shadow outline. Another possibility would be oxidation but I tend to lean more to the UV light causing fading. Would exposing just the shadow to high UV/sunlight reduce its appearance? Say cut a cardboard cover for the dial and a hole cutout for the shadow and just leave in the sun for a few days to see what if anything happens? The dial is original so don't really want to change it. Also just using the clock should over time reduce the shadow but that would be a slow process. Any ideas? Thanks and stay safe.
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