I know of a factory site in Akron where industrial mill balls were manufactured. Could even be the actual source of the Atlanta Porcelains. There are literally 100,000's of these things at one location. All you need is a truck, 5-gallon buckets, sharpies, or a kiln, and you would have a small fortune.
If anyone would like to get in on this deal, just let me know.......I'm kidding of course.
To someone else though, this is the equivalent to a winning lottery ticket.