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. cheers tim hall http://glastonburymusic.org.uk
