On my last Mason and Hamlin job I marked the locations carefully with a razor blade, then when reinstalling I put a drop of super glue under each to hold them while I restrung. It sounded great and you could hardly find the razor marks. Lance Lafargue, RPT New Orleans Chapter Covington, LA. lafargue@iamerica.net ---------- > From: Granholm Bros Piano <gbros@term.wanweb.net> > To: pianotech@ptg.org > Subject: Duplex scale tuning > Date: Tuesday, August 12, 1997 5:09 PM > > List: > > The recent thread on piano part terminology brings to mind a job I'm > currently facing. We have an old Kranich & Bach grand in for rebuilding. > This piano has a duplex (aliquot?) scale, with little brass doohickeys > (aliquots?) on the plate between the hitch pins and bridge, from the > tenor/bass break all the way up to the final treble break. I have removed > these brass pieces, which were held against the plate by string tension, > and have carefully marked their positions on the plate, and we are now > preparing to gild the plate, install it and restring the piano. > > My questions: What special steps, if any, do I need to take in order to > tune the duplex scale? Any special procedures as the piano is brought up > to pitch? Obviously, I put the doohickeys (aliquots?) back as I restring, > and tune the open wires below the bridge by nudging the doohickeys > (aliquots?) back and forth, but isn't this tough to do with wire at pitch > over the top of them, and won't that mess up the pretty new gilding job on > the plate? With a piano of this quality, is the duplex scale really that > big a deal anyway? Should I just put the little brass doohickeys > (aliquots?) back in their original positions and forget it, or what? > > Thanks > > John Granholm > Granholm Bros > Roseburg OR > >
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