How do I remove "layers" of PVA glue from bridge area on 1980 Martin D-35

I'm new here and hope that I'm not asking a question that has been covered many times before.

I purchased a 1980 D-35 recently that has had a history of the bridge coming off. The bridge was glued down on it when I got it, but popped off after about 6 months. I can see that there have been a number of different attempts to re-glue the bridge during it's life. I purchased a bottle of De Glue Goo and tried using it to soften and lift the PVA glue, but apparently did not get as much off as I thought I had. I tried re-gluing it last week and after letting it set for 48 hours, the bridge came up as I was bringing the strings up to pitch. It seems as though the pores of the wood are sealed by previous glue attempts. I'm hoping that there is a better product or procedure available that I'm not aware of. This guitar has amazing sound when it is playable, so I want to do everything possible to rescue it.

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Permalink Reply by Mark Pollock on May 26, 2014 at 5:17pm

Or checking driver's licenses for authenticity, or looking at invisible writing, or, as my 5 year old did, use them with a UV marker to make an invisible person book.

It would also be possible to write inside of an instrument with a UV marker for future reference.