Find Texture Much of the plant depended on steam, not only for heat but for mechanical power. Related Similar Images ...based on the tags: boilers, catwalks, gauges, green, pillars, rusty... A vintage X-Ray machine in the oldest section of the hospital. The roof of the elevator was partly lit naturally with six big skylights. The less electricity pumped into a grain elevator, the less chance of a grain dust explosion. This rod mill (?) was made in Denver Colorado at a factory now buried by condos. #justdenverthings A little sheet metal box somehow made it back home. The mostly-empty distilling room is easy to spot from the outside because of the distinctive round window. A printing press in the attic of the Reception Hospital. Some local kids were having a fire extinguisher fight when I walked into the lab one day. Mounted in an office. A closeup inside the mill’s power room.