Pat check autogarages, bakeries, and machine shops.
None taken, I have figured out how I want to build it and have been reading about them and searching for a drum for about two weeks. I just can't find one unlined and read what a PIA it is to burn/scrape them off. I am by the DC area and thought there might be a few others around who have found them and could tell me where they got theres.
...and I just signed up on this forum because there looked liked a lot of helpful folks.