No, I did not find an old Ferrari in a barn. Much more mundane than that. I helped a friend move his machine shop, and as his new digs are much cozier than the old ones, He generously gifted me with a doorstop.
Having removed the recalcitrant air cylinder and soaked the underpinnings in gasoline, I'm seeing some movement of the upper part, however reluctant.
I'm thinking of trying to make a fully functional reloading press out of this at some point, but having something this steampunk ker-chunking about might serve even as a piece of art. No one has any idea what this thing was used for originally.