<!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 5.50.4616.200" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV>Stephen,</DIV> <DIV>Thanks much for the enlightenment! By the way do you happen to know = what the nomenclature is that audiologists use when describing tones in the = normal piano range?</DIV> <DIV> </DIV> <DIV>Joseph Alkana  RPT<BR><A href="mailto:josephspiano@attbi.com">josephspiano@attbi.com</A></DIV> <BLOCKQUOTE 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=birketts@wright.aps.uoguelph.ca href="mailto:birketts@wright.aps.uoguelph.ca">Stephen Birkett</A> = </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">pianotech@ptg.org</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Friday, February 22, 2002 = 9:36 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Frequencies?</DIV> <DIV><BR></DIV>Joseph wrote:<BR><BR>> trivia. Of course it still = doesn't explain Stephen's switching back to =<BR>> the use of "b" in the = last octave  :-)<BR><BR>Ha ha. There's actually a very good reason. = Knowing what y'all know about me you <BR>should be able to figure it...I = pulled that list of frequencies off one of my <BR>spreadsheets which are mostly = populated by historical pianos with compasses that don't <BR>generally exceed = CC-g4, or AAA-a4 at the extreme. Consequently I had to add the extra <BR>couple = of notes at the top and absent-mindedly used modern a#-b. See, there's a good <BR>reason behind everything. Try to deduce that, though, in = hindsight, something that we <BR>try to do for things that historical builders = did. You can see that many so-called <BR>"complexities" can often be attributed = to something as trivial as this. <BR><BR>No one commented on the old = octave notation. In case you don't know it we have:<BR>  CCC-BBB sub-contra-octave (bosies and Erards)<BR>  CC-BB = contra-octave<BR>  C-B <BR>  c-b (or c0-b0)<BR>  c1-b1<BR>  = c2-b2<BR>  c3-b3<BR>  c4-b4<BR><BR>Old five octave compass was FF-f3, and four-octave 17th C chromatic compass <BR>C-c3...both put c1 (middle c) = in the geographic middle. <BR><BR>Beethoven's reference to "contra E" in Op = 109 was following that terminology, and was <BR>to emphasize his first = official printed use of the sub-FF notes. <BR><BR>Stephen<BR><BR>Stephen = Birkett Fortepianos<BR>Authentic Reproductions of 18th and 19th Century = Pianos<BR>464 Winchester Drive<BR>Waterloo, Ontario<BR>Canada N2T 1K5<BR>tel: 519-885-2228<BR>mailto: <A = href="mailto:birketts@wright.aps.uoguelph.ca">birketts@wright.aps.uogue= lph.ca</A><BR><BR><BR><BR><BR><BR></BLOCKQUOTE></BODY></HTML>