Gutted Battery Looking into the coke batteries in the extant oven… chunks of coke are still hanging from the inner walls, despite the exterior’s wrecking ball pummeling. Related Similar Images ...based on the tags: brickwork, clones, furnaces... The boilers are gone, but round brick portals remain where they used to meet the walls of the boiler room. Behind it appears to be the coal bunker itself. Above the old machine shop is a packing building and a crate of cardboard label rolls. One of the three ovens where the powder would be heater to over 2000 degrees… hot enough to fuse iron, but not hot enough to liquify it. Don’t know what’s heavier… the bricks or shadows. Small rooms in the basement of the asylum were seemingly too tiny to be used, even for storage. A series of interconnected offices that look like they hadn’t been painted in 40 years. The top of the giant arched windows facing the Mississippi and the swing bridge. A typical room in the barracks, reinforced from mortars and light shelling, possibly. I can confirm the existence of the long-rumored Federal Rectangle Research Institute labs.