I've appended some pictures of my optical roll scanner to the end of
my Pianocorder-to-MIDI project web page.  I haven't had time to HTML-ize
the text of the project report yet, but the pictures are there in case
anyone's interested in what the system looks like.  The URL (again) is

     http://www.cis.ohio-state.edu/~fontana/pc2mid/desc.html

Mark

 [ Editor's Note:  If you have "cache enabled" in your Web Browser, you
 [ may have to hit the "reload" button.
 [ Mark, was that a Grundig console radio before it became a roll reader ?
 [ Jody