una corda/tre corda

[Stéphane Collin]

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Good work Will.

But didn't the 1722 Christofori already have the shift pedal (Albeit on =
a bichord unisson) ?
When did pianoforte's start having three strings per unisson (except in =
bass, of course) ?

Regards,

St=E9phane Collin.
  ----- Original Message -----=20
  From: Will Wickham=20
  To: Pianotech=20
  Sent: Tuesday, March 16, 2004 4:56 PM
  Subject: Re: una corda/tre corda


  Hi ho again....

  found this patent date for the invention of the left pedal on the web =
site www.uk-piano.org/history/patents.html

  July, 25, 1787. HUMPHREY WALTON. (1) Pedal for causing. the grand =
hammer to strike one, two, or three strings ; the hammers" striking =
perpendicular hammers which strike the wires.

  will wickham
  besting the snowy day through research

  On Mar 16, 2004, at 10:43 AM, Will Wickham wrote:



    On Mar 15, 2004, at 11:43 PM, David Love wrote:


      Since the una corda shifts and hits two strings, why is it called =
the una
      corda rather than the due corda. I assumed that this might have =
been
      because in the early days there were only two string unisons, so =
that when
      the una corda was depressed it did, in fact, strike only one =
string. If
      that were true, then why, when the una corda is released, is the
      instruction given as "tre corda".

      Clear this one up for me please.


      David Love
      davidlovepianos@earthlink.net



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