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 showing a man standing in a large concrete half-pipe

Thomas Run sewer outlet during construction

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

Pipe Test, 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