LEDs are wonderful for most applications but I prefer the old incandescent bulbs for my Lionel 153 signals, 025 bumpers, and switch machines. Colored bulbs are harder to come by and I have been searching for glass paint. I found a winner. Marabu GlasART makes a red and a green that look like the old transparent colored bulbs. Attached is a photo of an old K-Line switch machine with newly painted incandescent bulbs. The green is lighted.
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