Author | Message |
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◊ 2012-05-05 19:25 |
1978-81 |
◊ 2012-05-05 20:26 |
@rjluna2: ![]() |
◊ 2012-05-05 23:27 |
That is the old style illuminated sign where they have holes with some area has red filter in the sign. This is powered by incandescent light. I have seen old bidirectional sign where they have green down arrow and red x arrow that is using this technology here ![]() |