Topics Infrastructure

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 brick sewer outlet that drains into a creek with trees and a hill behind it

Thomas Run sewer outlet at Cobbs Creek

Black-and-white image showing a man standing in a large concrete half-pipe

Thomas Run sewer outlet during construction

Black-and-white image showing sewer outlet, retaining walls and body of water

Cohocksink Sewer System outlet at Laurel Street

Six people and dozens of sandbags performing a load test on a concrete pipe, 1914

Pipe Test, 1914

The Pennypack Sewage Treatment Works in 1914

Pennypack Sewage Treatment Works, 1914

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

Outside Sprinkling Filters, Spring Garden Sewage Experiment Station, 1911

Devereaux Street Sewer on the cover of Philadelphia magazine, 1911

Devereaux Street Sewer, Philadelphia magazine, 1911