from Cinegraphic.net:

Kaleidoscope Patents!

story  Michael Betancourt, November 15, 2004 all rights reserved.

URL: https://www.cinegraphic.net/article.php?story=2004111509073277


Jon Sondregger's site has a collection of kaleidoscope patents that include some visual music instruments.


Copyright © Michael Betancourt  November 15, 2004  all rights reserved.

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