Grain is taken from the bottom of the silos through a conveyor in a tunnel. These blowers keep the air in the tunnel fresh.
This picture gives you the idea of how the boat-loading control rooms are set up; they lean over the dock and Lake Superior to be able to see down into the holds of the boats… important, considering how quickly it loaded the boats! An uneven load could put stress on the hull of a laker, increasing the risk it will break and sink.
Two counterweighted elevators moved men between the surface, mine, and underground mill.
A breeze and broken window has animated one of the few curtains still hanging in Nopeming as of 2015.
The old way to get to the elevator from the mill.
Quincy Smelter, 2014.
Patented in 1965 and produced by Specialized Mass Markets. User would insert token and use a rotary-phone-style dial to enter their token number. The machine would tally the numbers and indicate winners depending on the sum of said numbers. See USPTO US3455557.