The bridge here moved workers between the dock, the approach tracks, and refueling buildings.
I can confirm the existence of the long-rumored Federal Rectangle Research Institute labs.
Looking into one of the fire slides, designed to evacuate patients extremely quickly. In 1880, a fire completely destroyed the asylum at St. Peter, Minnesota, killing 30 patients.
The common rooms bulge out of the institutional geometry of the wards.
The skyway’s steel substructure collapsed slightly, crushing part of the dust collectors.
Pipes to channel nitrose (think nitro glycerine) infused acid through the building.
This part of the workhouse was sheathed in fiberglass, but now you can see its insides from a mile away.
The surgical suite was flooding.
A colorful boiler is a happy boiler! RotoGrate systems remove ashes from the boiler firebox by revolving the bottom of the system to let the fly ash drop into a hopper. This greatly increases boiler efficiency.