Item Types Image

PWD water tech at the Philly Home Show, 1960

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

Lab tech at Philly Home Show, 1960

Lab tech, water cleaning demo, Philly Home Show, 1960

Torresdale Conduit work gang, 1906

Torresdale Conduit work gang, 12/18/1906

Belmont Filters construction 1903

Belmont Filters construction, 1903

Finished Upper Roxborough filters, 1903

Finished Upper Roxborough filters, 1903

Upper Roxborough filter beds

Upper Roxborough filter beds under construction, July 1902

A.C. Abbott, MD

A.C. Abbott, MD

Spring Garden water testing lab, 1901

Bureau of Water Spring Garden Testing Station, 1901

Black and white image of Philadelphia civic and business leaders watching the start of operations at the new Northeast Sewage Treatment Plant, April 6, 1951

Northeast Sewage Plant opening, 1951

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

Outside Sprinkling Filters, Spring Garden Sewage Experiment Station, 1911

Two bottles of water from a river, one dark with pollution and one clear after filtration

Water Before and After Roxborough

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