<!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 6.00.2900.2668" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#d8d0c8> <DIV><FONT size=2>At first, I thought this black, powdery stuff was = mold -- but there was no rust on the strings, and it was only on the tops of the hammers.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>As I dared to touch it, a train went rumbling by = (100 yards or more away), and the light bulb came on: very fine coal dust!  = Finally, an environment that is *beneficial* to a piano!  :-)</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>--Cy Shuster--</FONT></DIV> <DIV><FONT size=2>Bluefield, WV</FONT></DIV> <DIV> </DIV></BODY></HTML>