Escape Ladder If there were no other options, operators could climb this ladder from the Communications Room to the surface, after opening two heavy steel hatches, of course. Similar Images ...based on the tags: bokeh, circles, fire-escapes, ladders, pipes... In case power was lost, this manual signal could direct trains on and off the taconite trestle. Turning the pole would change the color of the light on top and the shape of the metal flags. An original stencil-brushed sign. The huge snowfalls of 2011 brought new collapses across the buildings. Lockers for the boiler room workers. The mostly-empty distilling room is easy to spot from the outside because of the distinctive round window. These steam powered pumps were integral to the cooling of the meat packing plant next door. Looking into one of the fire slides, designed to evacuate patients extremely quickly. In 1880, a fire completely destroyed the asylum at St. Peter, Minnesota, killing 30 patients. Perhaps this office was for a film studio or music producer. At the top of the workhouse, dust collection pipes weave through cross-crossing conveyors.