very strange tuning mechanism

[Joe And Penny Goss]

Hi Were the MICRO pins smaller? No pun intended.
Joe Goss RPT
Mother Goose Tools
imatunr at srvinet.com
www.mothergoosetools.com
  ----- Original Message ----- 
  From: Marcel Carey 
  To: Pianotech List 
  Sent: Tuesday, July 22, 2008 9:17 AM
  Subject: RE: very strange tuning mechanism


  Well, I've seen a strange one once. I don't remember the name, but it had 6 tuning pins per unisons. It had one to make major changes and the second row of pins were just pushing on the non speaking lenght between the pressure bar and the other regular tuning pins. So, I could adjust the regular pins and then make micro changes with the second tuning pin. The secondary pins were not tight, were easy to turn and a 10 degree turn would make about a 2 ¢ change. Talk about tuning precision.
   
  Now if only the piano had been worth all the extra pin turning...
   
  Marcel Carey
  Sherbrooke, QC





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  To: pianotech at ptg.org
  Subject: Re: very strange tuning mechanism
  Date: Tue, 22 Jul 2008 09:40:31 -0400
  From: paulrevenkojones at aol.com



  Hmmm. Never meta-Meusel. 

  P





  -----Original Message-----
  From: Gregor _ <karlkaputt at hotmail.com>
  To: pianotech at ptg.org
  Sent: Tue, 22 Jul 2008 4:33 am
  Subject: very strange tuning mechanism


  in some old pianos (very seldom) we find very strange mechanisms for tuning, i.e. without tuning pins. Instead of the pins there are screws. The function is like the fine tuning screws of violins. Did you ever see such mechanisms? I saw 2 of them in the last 10 years: one Crasselt & Raehse and one Gebr. Meusel, Hamburg. Have you ever heard of Meusel? I could find nothing with Google and my Lexikon Of German Pianomakers says nothing, too. And in a book I read about Emil Lämmerhirt, Berlin, who constructed pianos with a "Patentschraubenstimmung" (patent screw tuning).

  I regret that I had no camera to make pictures of these historic interesting instruments. Has anybody else fotos of these mechanisms? At least that Crasselt & Raehse had a very stable tuning. I came back after 3 years and the tuning was still fine.

  Gregor


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