This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment Just knowing a little bit about wood technology, I think Ruth is likely = correct. The wood has been damaged. It has been crushed and the damaged = material has been pushed up beyond the upper plane of the soundboard = surface. I suspect a scraper, planer or sanding is the only thing that = will remove a compression ridge (but not the damage). Terry Farrell On the soundboard, once compression has taken place, drying the wood is = not going to make it disappear.=20 SNIP Ruth Phillips=20 ----- Original Message -----=20 From: "Cy Shuster" <741662027@charter.net> Subject: Re: Dampp-chaser observations > Will any D-C system *remove* compression ridges after they have = formed? It > seems like you'd practically have to steam the things out... >=20 > --Cy Shuster-- ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/68/bc/da/2d/attachment.htm ---------------------- multipart/alternative attachment--
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