A gray-scale photograph of a rocky landscape with a cluster of buildings atop a hill. The buildings feature multiple windows and a simple architectural style. In the foreground, a cobblestone street lined with wooden fencing runs alongside an empty space.

HELSINKI OLD (1878 – 1960) MIDWIFERY COLLEGE ON NEITSYTPOLKU STREET
Photographer unknown, sometime between 1900 and 1906 (ca. 50 years before Petri’s birth). Photo source: Helsinki City Museum
The street on the left is Vuorimiehenkatu and the street across is Neitsytpolku.