The porcelain hoops guided the silk threads through the device.
This might have been part of the Pioneer Pellet Plant. It looks to be a ball mill, which pulverizes ore by spinning it with thousands of ball bearings.
Minnesota Power’s Taconite Harbor power station, as seen through the ship loading control room windows.
Some warnings on the older battery which was visibly older than its eastern counterpart. This set of batteries had no railing between the side of the ovens and a long drop onto railroad tracks… I like this picture because it shows the effects of the heat and corrosive gasses on the area around the ovens.
A white star marks the landing between the Keeper’s Quarters (Second Floor) and the radiobeacon and furnace rooms (First Floor).
A closeup of a flour chute.
In the nitrating house.
Like a grave marker, a single post remembers where Dock 3 stood on the bay.
An emergency slide to help workers evacuate the blending house in an emergency.