If you own a rock polisher, I would put the pin in there, with some walnut media. That will clean them with no labor. Al Guecia AlliedPianoCraft.com High Point, NC On Aug 19, 2010, at 11:21 AM, "Patrick C. Poulson" <pcpoulson at sbcglobal.net> wrote: > Good Morning: I am restringing a Wegman upright which has a metal pin block and uses specially made tuning pins. I will have to reuse these pins, and unfortunately they are all coated with 100 years of crud. Is there a recommended solvent of some sort that will restore them to a passable condition? > Thanks, > Patrick C. Poulson > Registered Piano Technician > 530-265-1983 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20100819/c30c5182/attachment.htm>
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