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. Similar Images ...based on the tags: black&white, doors, favorites, machinery, numbers, squares, steel... In the back of the warehouse is the old incinerator, probably used to destroy kegs that could not be reused. A scrapped steam turbine, perhaps. In the background you can see a gutted casing for another turbine. Pipes to channel nitrose (think nitro glycerine) infused acid through the building. The long control room overlooks giant caps where equipment was removed long ago. This wide skyway connected two of the inner factory buildings, where parts would have to be transported to keep the operation moving, which is why it is much wider than other bridges in the plant. Around the corner from the old boiler room. A closeup of one of the winding machines that found itself under a leaky section of roof. In what has turned into a kind of industrial courtyard between four ovens some people have posted their tags. X was here. A better look at the rails in the floor, installed to help move heavy equipment around the building.