Some of the internal staircases were fitted with cages that wound round down the stairs to deter suicidal patients from taking a dive.
From inside a painting shed, where heatlamps and a vented roof made sure that the Caddy looked like it was worth the price tag.
Street lights and pavement are some of the obvious signs a town used to be here.
The curving corridors flanking the Administration Tower are especially ornate, though the prison-like door betrays the real purpose of the building.
A broken signal light that would indicate to incoming engineers and brakemen the status of the dock deck. The streetlight-style lighting is a retrofit; originally the top of the dock would be lit by strings of lights suspended by towers on each side of the deck… a poor system according to the workers at Allouez who had the same lights.
The coal crusher (above) and the conveyor (left) to bring the powdered coal to furnace hoppers (right).
The newer tunnels were fitted with these fluorescent lights, although some skylights (block glass embedded in skywalks) let in some natural light during the day.
A familiar scene in Control Tower B, though the microphone has not been used for years.
These machines had embossed metal numbers marking their ends.