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http://www.elotouch.com/products/cttec/default.asp
I know this isn't the answer you are looking for; as far as I know, there's
no overlay that would work. Elo makes some top notch units. The one above
uses IR, so you're not reliant on touching the screen. Very expensive, but
its always a trade off - longevity vs. cost vs. ease of maintenance.
Let us know what you figure out?
Jeff Courtman
Exhibits & Special Projects Coordinator
251.208.6851
Exploreum Science Center
www.exploreum.net
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