Coke Oven Doors 64-66 The individual ovens are skinny to allow even and fast heating of the whole interior. Numbers are cut into signs because no paint could withstand the heat or corrosive emissions from the coking process. Related Similar Images ...based on the tags: black&white, doors, favorites, machinery, numbers, squares, steel... The grain-centric buildings had automatic fire doors. A side door for the brick factory. A me-sized hole in the half-demolished skyway looks about a story down to the ground. Step lightly. Arista 100. My favorite shot from the trip. Later in its life, the plant was converted to burn its own byproducts, but it seems this was designed as a coal hopper. The Big Dipper brought its friends into view, and the best seat is 80-feet up. This old ward, not a victim of remodeling, still has metal screens over the open windows of the doors. It should be obvious why glass were not used. Construction in 2014 reveals a lost stone sign. On the ground floor of the main factory there seems to be only one chair left. An elevator is reflected in the flooded footprint of Spencer & Kellogg. These trains are in storage for the winter.