Levers and indicators to control and track the path of mine cars moving up and down the mine shaft. Note the mine depth indicators would trace paper… this is because the steel cables stretch out over time, so the line length changes with the years.
Stained windows and sheet metal catch the sunset from across the Ohio River.
Two small generators connected to a Frick steam engine.
Inside the pilot copper concentrator.
The machine stood the Atlas missile up vertically over the blast pit, launching position, once the roof opened.
The only way to get to the second floor–since demolition crews punched-out the staircases and ladders leading upwards–was to climb this elevator shaft. In the lower-left corner is a blower for the foundry furnaces.