---------------------- multipart/alternative attachment In a message dated 12/27/2002 4:40:05 PM Pacific Standard Time, swiftspiano@hotmail.com writes: > Subj: Re: standard pitch in 1850? > Date: 12/27/2002 4:40:05 PM Pacific Standard Time > From: <A HREF="mailto:swiftspiano@hotmail.com">swiftspiano@hotmail.com</A> > Reply-to: <A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A> > To: <A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A> > Sent from the Internet > Hi Ned > Yes , I think to some degree that's possible within a range > to "reverse engineer" the scale. It would require knowing the speaking > length as well as wire size. and that assumnes the wirte sizes are > original. From what little I've read on the pitch wars of the last half of the 1800s the word > standard pitch was not a reality. The 1878 Stwy Model B I rebuilt Had a > pitch of A-458 and other writings (in our PTJ) and elsewhere varify that > this was a pitch experimented with. Tension will be your biggest clue. At > A-440 an average tension in many pianos will be in the 145 to 160 lbs. Some > have huge tension lumps in the middle. Bu at least some idea of what was > intended can be observed. > Don't get to hung up on a perfect original pitch level. If you're > restringing the piano take the measurements and consult with Del. He has > probably the most experience in this dept. and has been helpful to me in > the past in this regard. Dale Erwin > > > Hi all. > > A point of curiosity here. Shouldn't we be able to reverse engineer this > scale to determine what the proper pitch should be? Normally I wouldn't > reply and defer to my more versed associates. But, no one replied so I ask > > the question. It seems like some of the equations that John Travis > provides > could be modified to answer this question. Perhaps I am over simplifying > the problem. Just an question. > > Ned Swift > Lowell, MI > > ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/e6/c3/cb/7a/attachment.htm ---------------------- multipart/alternative attachment--
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