Windows for Dairy Cows

Sanitation regulations in the 20th century often required a certain number of square feet of window per cow. Dairy renovations often involved adding new windows in existing walls.

Barn with lower level windows for dairy cows, Highland Township, Chester County, date unknown.
Barn with lower level windows for dairy cows, Highland Township, Chester County, date unknown.
To the left, the original barn foundation wall was pierced with mass-manufactured metal tilting windows.