On Tuesday 21 December 2004 06:52 am, tim hall wrote: > Last Tuesday 21 December 2004 07:50, John Check was like: > > Having frets that shift is an interesting engineering problem. > > One could have a hydraulic insert of some sort or possibly a servo > > controlled wedge system incorporated in the fingerboard. Tricking out the > > actual fret wire might get you enough tolerance not to have > > visible/tactilely nasty seams Somebody somewhere had to have tried > > conceptualizing it. > > Yes, I came across a Viola da Gamba designed to play Persian scales. > Moveable gut frets. Possibly a little simpler than you had in mind. > Ah, thats a strategy I didn't consider. One could have sort of a traverse rod dealie with cams to lock 'em down. > cheers > > tim hall > http://glastonburymusic.org.uk