Centre Square Water Works, Frederick Graff, Sr. Plans, 1799
Dauphin and Sydenham car crash, Jan. 17, 1978
Images from ‘The Water Supply of the City of Philadelphia by a proposed Aqueduct from Norristown Dam’
Still photo from a video sewer inspection, 2000
PWD Drinking Water Treatment diagram
“A Decidedly Mixed Drink,” April 6, 1899
Fairmount Gardens with the Schuylkill Bridge, 1839
Steam engine drawing, Frederick Graff Sr., 1815
Fair Mount Water Works engine house, 1819
Wooden Water Pipe, removed from Market Street, December 6, 1901