Places Pennsylvania

Color Diagram of Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia

PWD water tech at the Philly Home Show, 1960

PWD water tech at the Philly Home Show, 1960 (detail)

DeLaval Beauty Shots 6

Electric Pump Installations at Lardner’s Point Pumping Station

Sewage collection and disposal plan

Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia, 1912

Baldwin Locomotive Works, 1884

Baldwin Locomotive Works

Tinted image of a single-arch bridge over a river with landscape in the distance

Lancaster/Schuylkill Bridge (Upper Ferry Bridge)

Spring Garden Sewage Experiment Station, used to test water filtration methods

Outside Sprinkling Filters, Spring Garden Sewage Experiment Station, 1911

Two black-and-white photographs of pipeline construction on State Road. Depicted are a group of people, trees, buildings, a fire hydrant and a grid of boards over the pipes.

State Road triple pipeline construction, 1904

Eleven men in a work gang plug leaks in a tunnel, the Torresdale Conduit

Torresdale Conduit work gang, 1906

Black-and-white photograph showing the completed Upper Roxborough Filter system. Vaulted concrete ceiling with beds of filter sand.

Upper Roxborough Filter Beds Complete, 1903

1902 photo of Upper Roxborough Filter beds under construction

Upper Roxborough Filter Bed Construction, 1902

Henry Disston's Keystone Saw Works was located along the Delaware riverfront in Tacony. The black-and-white lithograph shows the factory's many smokestacks emitting smoke into the atmosphere.

Keystone Saw Works