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<DIV><SPAN class=890540404-26072008><FONT face=Arial color=#0000ff size=2>In
searching the archives, you will also see them referred to as <FONT
color=#000000 size=3>Thayer knuckles.</FONT></FONT></SPAN></DIV>
<DIV><SPAN class=890540404-26072008><FONT face=Arial color=#0000ff size=2><A
href="http://www.google.com.au/search?q=thayer+knuckle+site%3Aptg.org&btnG=Search&hl=en&lr=&as_qdr=all&sa=2">http://www.google.com.au/search?q=thayer+knuckle+site%3Aptg.org&btnG=Search&hl=en&lr=&as_qdr=all&sa=2</A>
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<DIV><SPAN class=890540404-26072008><!-- Converted from text/plain format -->
<P><FONT size=2>Scott Jackson<BR>Mt Keira, NSW, Australia.
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<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><FONT
face=Tahoma size=2>-----Original
Message-----<BR></FONT></DIV><WBR>Rex<BR><BR>This is called a "pear" knuckle.
If I recall, (I haven't done one of these for many years), the jack is
aligned to the back edge of the "ledge". <BR><BR>
<DIV style="CLEAR: both">Willem (Wim) Blees,
RPT<BR></DIV></BLOCKQUOTE></BODY></HTML>