The finish is crude, but that just adds to the charm. Anyway, the concept is brilliant: an eternal fountain of warm gravy. Instructables user turkey tek rigged this arrangement based on a peristaltic pump powered by an electric drill.
Link via J-Walk Blog
These people need to get a more productive hobby/life.
Homer Simpson: Now, wait a second. You doctors have been telling us to drink eight glasses of gravy a day!
Dr. Hibbert: [laughs] Well, you're a little confused.