Hi All,  Please check out the following site.  On this site you
will find various Mechanical Music Projects.  I just found this site.
I have not had the time to look it over enough to be able to comment
on it!

    http://www.hathaworld.com/music/index

John Conrad Kleinbauer

 [ This is Terry Hathaway's web site, and it's a fine place to find
 [ information on Wurlitzer Piano Mandolin instruments and much more.
 [ -- Robbie