Oven Battery Blast Furnace 7 as seen from the ore yard. Imagine running up those stairs through blast furnace smoke. Similar Images ...based on the tags: black&white, furnaces, pipes, smokestacks, staircases... Camera: Voigtlander Bessa Film: Acros 100 A scrapped steam turbine, perhaps. In the background you can see a gutted casing for another turbine. Lost words over the auditorium entrance. All of the bucket conveyors crashed on this work floor when their casings were scrapped. Note all of the valves to open the grain flow. The stairs that connect the breakwater and light station (Leica M6/Kodak Ektar). A 5-minute exposure of the tunnel and stars, and even some of Duluth’s city lights bouncing off the clouds. A single off-camera flash in the tunnel gives the effect of an oncoming train. Chutes from a hundred machines interconnect to more machines and chutes on a dozen factory floors. Looking across at the Cargill elevator. Before it was demolished, there was one good staircase the led to the middle of the dock. Trees grew from it.