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I would love to see the music boxes you reference.  Do you have a link
or a photo?  

I have seen a hand crank music machine that included a conveyor belt
with attached wooden slats with curved cutouts. Think a row of
depressions carved into each wooden slat like the cups in an egg carton.
The visitor could place balls in the cups they chose.  As the visitor
cranked the belt, in turn, each slat of balls would fall onto the keys
of a marimba, I believe.  It has been a long time since I saw this
beautiful, creative musical device. I think it was at the Manhattan
Children's Museum in NYC.  Does anyone know if it is still there or who
designed and built it?

Becky Fox Matthews
Senior Educator/Special Projects Manager
Adventure Science Center
800 Ft. Negley Blvd.
Nashville, TN 37203
voice: 615-401-5073

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