Collector 4 Pipes to channel nitrose (think nitro glycerine) infused acid through the building. Related Similar Images ...based on the tags: black&white, bolts, chutes, numbers, pipes... The superstructure for the sea-leg skyways serves no purpose now… the offices are bricked up, too. Why? The rear of engine bay 13… according to the heavily faded sign. A scrapped steam turbine, perhaps. In the background you can see a gutted casing for another turbine. One of the early automated painting booths in the paint plant line. I wonder how sheltered workers on this mid-level catwalk that follows the ore chutes is in storms. Note the chunks of concrete stuck in the catwalk grates–the pockets (right) are falling apart. This volume gauge could be read from 30 feet away, which is useful when the control panels and valves are that far away. Filters and fans to draw air into the boilers in the second power plant. Graffiti by a crew member of the Algolake.