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The University of Arizona

Old Main Interior


Unfortunately, no interior photographs of Old Main were probably taken when school began in 1891. It is known that besides classrooms, laboratories, and offices, there were some temporary sleeping quarters for faculty and male students, a kitchen and mess hall, space for a territorial weather bureau, and a photographic darkroom. The University was proud of its equipment, both for teaching and research, and took pains to buy from the best suppliers.

Biology Lab

Biology classroom, second floor, west side of Old Main. Various teaching tools and equipment were neatly stored in these specially-built cabinets.

Chemistry Lab, 1902

c. 1902. Chemistry and Mineralogy Laboratory, first floor, north-east corner of Old Main.

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