Columbia subject headings:
Science--Study and teaching (Higher)--Italy--Perugia--History--Exhibitions.
Scientific apparatus and instruments--Italy--Perugia--Exhibitions.
Università di Perugia--Scientific apparatus collections--Exhibitions.
Harvard subject headings:
Science--Study and teaching (Higher)--Italy--Perugia--History--Exhibitions.
Scientific apparatus and instruments--Italy--Perugia--Exhibitions.
Università di Perugia--Scientific apparatus collections--Exhibitions.
Princeton subject headings: