Bird's-eye view from the Observatory. George's Hill, Fairmont Park.

Bird's-eye view from the Observatory. George's Hill, Fairmont Park.

Bird's-eye view from the Observatory. George's Hill, Fairmont Park.

Bird's-eye view from Observatory. George's Hill, Fairmont Park.

Bird's-eye view from Observatory. George's Hill, Fairmont Park.

Bird's-eye view from Observatory. George's Hill, Fairmont Park.

Bird's-eye view of Centennial Grounds.

Bird's-eye view of Centennial Grounds.

Bird's-eye view of Centennial Grounds.

Centennial Grounds. Government building.

Department of Public Comfort.

Department of Public Comfort.

One of main avenues.

Board of Finance building.

Memorial Hall.

Agricultural Hall.

Agricultural Hall. Centennial Interntaional Exhibition, 1876. Fairmont Park, Philadelphia.

Horticultural Hall. Centennial Interntaional Exhibition, 1876. Fairmont Park, Philadelphia.

Machinery Hall. Centennial International Exhibition, 1876. Fairmont Park, Philadelphia.

Centennial chimes, "The bells."

Machinery Hall.

Main building, E. view.

Machinery Hall.

Bird's-eye view of Centennial Grounds from [...] R.R. Depot.

Woman's pavilion.

Belmont Avenue.

Machinery Hall from Main building.

The Centennial photograph of "Old Abe," the live Wisconsin war eagle. Agricultural Hall, (International exposition), Philadelphia, 1876.

Stereoscopic views of the Centennial Exhibition, 1876, Philadelphia.

International Exhibition [entrance gates].