<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content="MSHTML 6.00.2800.1264" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY> <DIV> <DIV><FONT size=2></FONT><FONT face=Arial color=#800000>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).</FONT></DIV> <DIV><FONT face=Arial color=#800000></FONT> </DIV> <DIV><FONT face=Arial color=#800000>Terry Farrell</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>On the soundboard, once compression has = taken place, drying the wood is not going to make it = disappear. </FONT></DIV> <DIV><FONT face=Arial size=2>SNIP</FONT></DIV> <DIV><FONT face=Arial size=2>Ruth Phillips </FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV></DIV> <DIV><FONT face=Arial size=2>----- Original Message ----- </FONT> <DIV><FONT face=Arial size=2>From: "Cy Shuster" <</FONT><A href="mailto:741662027@charter.net"><FONT face=Arial size=2>741662027@charter.net</FONT></A><FONT face=Arial = size=2>></FONT></DIV> <DIV><FONT face=Arial size=2>Subject: Re: Dampp-chaser observations</FONT></DIV></DIV> <DIV><FONT face=Arial><BR><FONT size=2></FONT></FONT></DIV><FONT = face=Arial size=2>> Will any D-C system *remove* compression ridges after they = have formed?  It<BR>> seems like you'd practically have to steam the = things out...<BR>> <BR>> --Cy Shuster--</FONT></BODY></HTML>