This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment Hello Michael and Andre, A few weeks ago, I learned the exact formula used by the Yamaha concert = techs to harden the hammers when the pianists want a brighter sound. Andre, you know this receipe, and I wonder if it would help in Michael's = case. It looks like plastic keytop with acetone mix, but it is not exactly it. So Andre, what are the differences between your method with collodion = and the method I speak about? the Yamaha method seems to work in only a few minutes although your = method needs one day to get the final result. Quentin ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/d1/bb/9a/7f/attachment.htm ---------------------- multipart/alternative attachment--
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