<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content="text/html; charset=windows-1252" http-equiv=Content-Type> <META name=GENERATOR content="MSHTML 8.00.6001.19154"> <STYLE></STYLE> </HEAD> <BODY style="BACKGROUND-COLOR: #fff" bgColor=#ffffff> <DIV><FONT size=2 face=Arial>Here's a useful article about deterioration of lead, applicable to organs, pianos and other instruments with lead components.</FONT></DIV> <DIV style="POSITION: relative" id=ygrp-mlmsg> <DIV style="Z-INDEX: 1" id=ygrp-msg> <DIV id=ygrp-text> <DIV><FONT face=Arial></FONT><BR></DIV> <DIV><A href="http://www.navsea.navy.mil/nswc/carderock/pub/cnsm/lead/lead_01.aspx">http://www.navsea.navy.mil/nswc/carderock/pub/cnsm/lead/lead_01.aspx</A></DIV><FONT size=2 face=Arial></FONT></DIV> <DIV> </DIV> <DIV><FONT size=2 face=Arial>Laurence Libin</FONT> <DIV><BR></DIV></DIV></DIV></DIV></BODY></HTML>