<!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 6.00.6000.16397" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Chris-</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>If we resurface a bridge top before restringing, we may be using this to advantage if we don't sand or plane below the grooves at the notches, because we will be retaining the "pre-crushed" wood at the places where the strings are supported.   Installing new pins with epoxy will also help harden the bridge top and make it more resistant to humidity change.  Bill Spurlock published some articles about this in the 1990's.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Ed Sutton</FONT></DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title=rpsvt@juno.com href="mailto:rpsvt@juno.com">rpsvt@juno.com</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A title=caut@ptg.org href="mailto:caut@ptg.org">caut@ptg.org</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, April 29, 2007 3:16 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> [PHISH] Re: [CAUT] Wire Stretch</DIV> <DIV><BR></DIV> <P>Question:</P> <P>If a bridge becomes crushed over time, causing the pitch to drop, would pre-crushing the bridge increase tuning stability? (supposing there was a safe way to do it, and that other issues such as sound transmission were considered)  </P> <P>Respectfully, </P> <P>Chris R.,  <A href="http://www.Key-Leveling.com">www.Key-Leveling.com</A></P></BLOCKQUOTE></BODY></HTML>