Foundry Cupolas These copulas made the iron for casting. Related Similar Images ...based on the tags: collapsing, cupolas, favorites, furnaces, numbers, pipes, rivets, rusty, worker-graffiti... A closeup of the now-scrapped steel chute. The Dock 5 sign at track level. Probably as an aid to sailors reboarding their vessels. On the second floor of the kettle building where corn mash was boiled, holes where tanks once sat were everywhere. Shadows of the skylights form a backdrop for rust-welded machines. ” Joe Sheldon; R.K. ’47-’48”. Brick Graffiti Series. Carvings on the back of a barracks building. Looking down range. You can tell where most of the rounds hit by the dark marks in the wall. Note the tiled floor between the bucket conveyors and an old mill. Fantastic brick graffiti piece by a Duluthian in 1933! Is the stick drawing of a horse? Feel free to weigh in.