Signal Panel Pocket door and light switches in the upper control room, at the top of the spiral staircase. Similar Images ...based on the tags: chairs, control-panels, doors, grates, rusty, switches... This wide skyway connected two of the inner factory buildings, where parts would have to be transported to keep the operation moving, which is why it is much wider than other bridges in the plant. The primitive chair caught the falling plaster. This chair burned in the 2005 arson that gutted this building, which is the oldest on the property. “What’s that diamond thingy on the Pilot House?” you ask? It’s a 1920s-era radio transmission direction finder, a pre-radar navigation aid. Lit with diffused flash. When boiling beet juice accidentally spills from the gas-fired tanks two feet away, you better be wearing some of these, or bye-bye legs. Inside the main entrance is a whiteboard and mirror, then it branches into discrete spaces. These corner pilings served as bumpers… a little assurance against wind, ice, and new captains. The back of the pilot house had a desk full of navigational notes and maps. Harris Machinery rests under snow on the left. Two explorers enjoy the view.