In searching for something else, I came across this 1896 photo from the University of Arizona.
The brick part of the building is "Old Main", the first building constructed on campus. Old Main is still in use. In 1896, it housed all the classrooms, prof offices, everything but the library and sleeping quarters. The wood addition is the mine engineering department's brand new stamp mill, used to crush ores using banks of drop hammers. Someone thought that attaching the pits of Orthanc to a classroom building was a good idea.

I wonder how long the arrangement was tolerated.
Interior view, the vertical rods are the tops of the hammers (stamps).
