Reverse crown was agraffe bridges

[Richard Brekne]

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Delwin D Fandrich wrote:

>
>
>      ----- Original Message -----
>      From: Richard Brekne
>      To: pianotech@ptg.org
>      Sent: November 19, 2001 9:53 AM
>      Subject: Re: Reverse crown was agraffe bridges
>       Delwin D Fandrich wrote:
>
>     >
>     > All pianos have both front and rear duplexes.
>     > The question is how long they are, what the
>     > string deflection angle is (at the front), and
>     > whether or not they are tuned.
>     >
>     >
>     >
>     > Del
>     >
>
>      Isnt this a rather.... wide definition of a
>      duplex Del ? I mean when the get to the point of
>      being 3-5 mm long and muted at that it seems a
>      bit of a stretch to call the thing a duplex....
>      or what ?
>
>      --
>
>      What would you prefer to call it? Duplex simply
>      means 'consisting of two parts.' Beyond that we
>      really have to get more specific. If we are
>      going to go to the trouble of tuning the duplex
>      surely it's not too difficult to say so. And we
>      have a perfectly good word we can use: aliquot,
>      meaning, "to divide something exactly." Or we
>      can say the duplex is "an aliquot part" of the
>      speaking length meaning the duplex is divided
>      into some fractional part of the speaking
>      length.
>
>      Del
>

Well, that may very well be the definition of the word
duplex in its most general sense, but in reference to pianos
it more specifically refers to the "duplex scale" and if one
wants to really get picky one could say it really refers to
the definition as per Steinway.  My point is exactly the
same point Ron made the other day. Over generalizing terms,
or using them this way or that just makes things muddy and
leads to misunderstanding what each other is talking about.

Why not call these lengths what they really are in our
context... in the most general sense they are simply non
speaking lengths. In more specific sense they are front and
back duplex lengths which may or may not be at the same time
an aliquot part.  Correct me if I am wrong but doenst the
aliquot part infer whole number fractional parts... like
1/3, 1/4 etc... not  0.25643 or the like ???

Just in the interest of speaking the same language
.....roughly

--
Richard Brekne
RPT, N.P.T.F.
Bergen, Norway
mailto:rbrekne@broadpark.no


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