Chris Woollard Posted April 14, 2014 Share Posted April 14, 2014 On a recent trip to Germany, my hosts gave me a couple of tubes of "Gundel-Putz" which is what they use to polish their prestant pipes. My organ uses the 4 & 2ft. Principal's as display pipes also, I believe they are 70% tin. Over the years they have gone a little dull and it would be nice to restore their sheen - but only if safe to do so. Is there a safe way of going about this (I would say leave the mouth area completely alone) or is the risk simply too great. Nothing wrong with them musically. Link to comment Share on other sites More sharing options...
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