Fairmount Water Works from the forebay, 1833
Fairmount Water Works and the Schuylkill River, 1838
Fairmount and vicinity, 1839
Isometrical View of Fairmount Water Works, 1843
Steam engine drawing, Frederick Graff Sr., 1815
Fair Mount Water Works engine house, 1819
Wooden Water Pipe, removed from Market Street, December 6, 1901
Centre Square Engine House, ca. 1807
Bacteria in Delaware River, Torresdale Filters, 1913
Water, Water Everywhere – Philadelphia Record, 1937-03-14