Items

Historic resources from our archives - images, maps, documents, and more.

Mill Creek Sewer under construction. Several men standing beside a giant partially constructed sewer pipe.

Mill Creek Sewer under construction, 1883

Black-and-white photo of industrial tank installation with smokestacks and factories in the background

Emscher Tank Installation at Essen Nord, Germany

Black-and-white image of a tray with three compartments and four small glass cylinders

Drain water from sludges obtained from sedimentation, septic and Emscher tanks

State Street pipeline construction

State Street pipeline construction, 1904

Upper Roxborough filter beds

Upper Roxborough filter beds under construction, July 1902

Rudolph Hering

Rudolph Hering