<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; = charset=us-ascii"> <TITLE>Message</TITLE> <META content="MSHTML 6.00.2800.1400" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#d8d0c8> <DIV><SPAN class=450514405-27052004><FONT face="MS Sans = Serif">"Makes it sound louder"    Why it sounds louder  is for others = to explain.  ---ricm</FONT></SPAN></DIV> <BLOCKQUOTE dir=ltr style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px = solid; MARGIN-RIGHT: 0px"> <DIV></DIV> <DIV class=OutlookMessageHeader lang=en-us dir=ltr = align=left><FONT face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] <B>On = Behalf Of </B>Farrell<BR><B>Sent:</B> Tuesday, May 25, 2004 1:32 = PM<BR><B>To:</B> Pianotech<BR><B>Subject:</B> Re: Tuning fork<BR><BR></FONT></DIV> <DIV><FONT face=Arial size=2>Amplify or transduce?</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Terry Farrell</FONT></DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV class=OutlookMessageHeader dir=ltr align=left><FONT = face=Tahoma size=2><BR></FONT> </DIV> <DIV><FONT size=2>Hemholz's classic book on sound describes wooden = stands that amplify tuning forks, as well as resonant glass bottles and = many other cool demonstrations.  As I remember it's kind of a hollow = wooden box that you rest the fork on.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>--Cy Shuster--</FONT></DIV> <DIV><FONT size=2>Bluefield, WV</FONT></DIV></BLOCKQUOTE></BLOCKQUOTE></BODY></HTML>