I took a mini vacation last week to Michigan and one of the places I hit up while I was there was the Henry Ford Museum. It's kind of funny to see how emergency warning has changed over the years. As you can see President Kennedy's limo, pictured to the right, features simple red warning lamps and spot lights. Makes you think about how far things have come and yet how much remains the same.

For instance think about the standard wig-wag. LED's have dominated the market for the last ten years, strobes before them, and yet most emergency vehicles today are still using standard alternating halogen lights somewhere on them. Not right, not wrong, just some food for thought.

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