<!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 5.50.4134.100" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Oxidation is encouraged or accelerated = by the presence of electric charge or current. Also the presence of moisture = and or ionized salts [sea air]. Install a heater bar and ground the = harp to the electric system. The lead is growing because it is combining with oxygen = and takes up more space. This only happens on exposed surfaces so don't = drill a hole in it you will only expose more lead to the air.</FONT></DIV> <DIV><FONT face=Arial size=2>Keith</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=caute@optusnet.com.au = href="mailto:caute@optusnet.com.au">Tony Caught</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">pianotech@ptg.org</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, November 18, 2001 = 10:24 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Growing Leads</DIV> <DIV><BR></DIV> <DIV>Hi List</DIV> <DIV> </DIV> <DIV>Got a problem with growing leads in the keys of a Herburger = keyboard fitted to a Schimmel grand piano.</DIV> <DIV> </DIV> <DIV>Does anyone know how to arrest the growth problem ? Can drilling = a small hole in the middle of the lead help ? What is the major cause of this oxidisation ?</DIV> <DIV> </DIV> <DIV>Thanks</DIV> <DIV> </DIV> <DIV>Tony Caught</DIV> <DIV> </DIV></BLOCKQUOTE></BODY></HTML>