


Wooden Water Pipe, removed from Market Street, December 6, 1901

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

‘Gillette, All By Himself, Gets Fine New Idea On Germ Slaying’

State Street pipeline construction, 1904

Jar of raw sewage before treatment, 2000

Swimmers at Pier 126, Delaware River, July 15, 1918

Allegheny Avenue Sewer at Pier 126, 1918
