Thread: Tritium paint?
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Old June 8, 2010, 08:33 PM   #16
wally626
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Join Date: July 31, 2009
Posts: 642
Can you build a micro very low power LED flashlight small enough for a gun sight? I was looking on line and some of the small led circuits would run for years on one lithium watch battery. Could they be cheaper than a tritium capsule?

This would not use an on-off switch but just run continuously for years.
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