<!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 5.50.4611.1300" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>    Don't panic. Take = some toothpaste (Silver cleaning paste works better) and mix it with a few = drops of bleach in  35mm film canister. Put some on one of your extra hammer = heads lying around the shop, and rub the compound back and forth on the key = top using the hammer like an eraser. Should do the trick. Just don't = panic.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV>Kevin E. Ramsey<BR><A href="mailto:ramsey@extremezone.com">ramsey@extremezone.com</A></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=pianotec@ihug.co.nz = href="mailto:pianotec@ihug.co.nz">Stephen Powell</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">Pianotech List</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, February 25, 2001 = 1:07 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Ivory problems - Help Help!</DIV> <DIV><BR></DIV> <DIV><FONT color=#000000 size=2>Hi list!</FONT></DIV> <DIV><FONT color=#000000 size=2></FONT> </DIV> <DIV><FONT color=#000000 size=2>A few days ago, I bleached a set = of one-piece ivories (older Kawai) using the hydrogen peroxide/UV light = technique.  This was a first time for me, and I'm really pleased with the = results.  However, a number of the ivories in the centre section loosened.  = I have always had success using whitened hide glue for ivory work, and = decided to reglue one with the nice looking new ivory head clamp that I got from = Schaff (part #249); I've just used spring clamps in the past.  Anyway, I = glued one and horror of horrors, the ivory is GREEN where it was in contact = with the brass head clamp!  </FONT></DIV> <DIV><FONT color=#000000 size=2></FONT> </DIV> <DIV><FONT color=#000000 size=2>Soooo friendly experts, what do I = do now?!  Do you think that this was a reaction between the clamp = and the chemical (I wiped the ivory with a damp cloth first)?  Should I re-bleach?  HELP, HELP!!</FONT></DIV> <DIV><FONT color=#000000 size=2></FONT> </DIV> <DIV><FONT size=2>Regards,</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>Stephen Powell RPT</FONT></DIV> <DIV><FONT size=2>Auckland, = NZ</FONT></DIV></BLOCKQUOTE></BODY></HTML>