by blecha67 on Tue Nov 18, 2008 9:09 am
Hi, I have a couple of 3M signals myself, they are not commonly used in the Chicago area anymore. At one time they were all over. With your signals do you have the new LED bulbs in any of the signals. I have been trying to aquire a 3M pedestrian signal for a long time almost won it e-bay but it got to expensive for me so I will keep trying. I have 2 complete signal heads. A school bus yellow with all regular ball lenses and a dark green with arrow lenses. I also have 2 in pieces missing parts. Have you ever seen or herd of the strange Chicago 3M attachment arrow signal that was a bimodual or some sort of devise that changed from green to yellow it had the same shape maybe bigger than a regular 3M housing. I used to see them all the time. I want to capture a picture of it or a video but no seems to know what I am talking about. I can even remember which intersections some of them were used. Now they are all gone. Great heavy signals.
Jim
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Wish I knew what it was all about..
I guess not suppose to know......
Jim