Is this from the glass soundboard people? Terry Farrell ----- Original Message ----- From: "Richard Brekne" <Richard.Brekne@grieg.uib.no> To: "PTG" <pianotech@ptg.org> Sent: Sunday, December 01, 2002 3:30 PM Subject: Glass Rim > > Ok, so heres a new one on me... > > Patented in 1860's or there abouts... a soundboard is glued > only to the back part the rim... about 10 inches long space. > The rest ot the edge of the soundboard "floats" on a glass > shelve which is placed on the rim. I think there is also > glass on the end grain of the panel, and glass on top, and > the whole thing is held in place by a piece of moulding > pressed and glued to the inner rim. > > The idea is supposedly to totally isolate the soundboard as > a vibrating system from the rest of the piano. The glass was > supposed to simply reflect everything back into the panel. > > Any comments ? > > > -- > Richard Brekne > RPT, N.P.T.F. > UiB, Bergen, Norway > mailto:rbrekne@broadpark.no > http://home.broadpark.no/~rbrekne/ricmain.html > > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives
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