Fume Lines One level below where the cotton was nitrated, the fumes must have been powerful. This floor had several massive ventilation fans in its walls. Similar Images ...based on the tags: arrows, bokeh, grimy, orange, pipes, signs... Filters and fans to draw air into the boilers in the second power plant. The powerhouse was notably older than the rest of the complex. I’m still not sure if it was build just for the cooperage, or whether it preceded it. From a distance (here, Union Yards), you can still see ARMOUR spelled out on the smokestack in white brick. Colors of the boiler room. It’s a mystery to me why this elevator has a Gold Medal Flour ghost sign. You can read it along with its obsolete monikers today. When you’re incoming’s piling up with paint chips, what’s one to do? Call in a sick? These ceramic bricks were likely from the fireproof tunnel that connected the elevators. The final ball mill in the Chain O’ Mines concentrator. Behind it was a bucket of steel balls. Unintentional art comes in the form of a beet juice slurry baffle.