Jon Miller,  In a digest two days ago, you said you want to visit
Germany shortly, and know about some museums.  Hans van Oost (KDV)
already partly answered your question.

You may too have a look at the Musica mecanica web pages, with about
200 museums listed throughout the World ...

    http://www.cnam.fr/museum/musica_mecanica/a/musee/index.html

Have a nice journey !

Philippe Rouille  (Paris, France)
rouille@cnam.fr
http://www.cnam.fr/museum/musica_mecanica/