Fairmount Water Works and the Schuylkill River, 1838
Wooden Water Pipe, removed from Market Street, December 6, 1901
PWD water tech at the Philly Home Show, 1960 (detail)
Lab tech, water cleaning demo, Philly Home Show, 1960
‘Gillette, All By Himself, Gets Fine New Idea On Germ Slaying’
State Street pipeline construction, 1904
Race Bridge, Fairmount Water Works, 1834
Jar of raw sewage before treatment, 2000
Northeast Sewage Plant opening, 1951
Allegheny Avenue Sewer at Pier 126, 1918