Half a Century of Clean Water
Centennial Exhibition situation plan, 1876
PWD water tech at the Philly Home Show, 1960 (detail)
‘Gillette, All By Himself, Gets Fine New Idea On Germ Slaying’
New Mill House at Fairmount
View of Fairmount Water Works, ca. 1827
Pegg’s Run, Northern Liberties (Watson’s Annals)
Swimmers at Pier 126, Delaware River, July 15, 1918
Allegheny Avenue Sewer at Pier 126, 1918