Plan of Pine Street Sewer, 1830
Mill Creek Sewer under construction, 1883
Fairmount Gardens with the Schuylkill Bridge, 1839
Fairmount Water Works, W.H. Bartlett, 1839
Fairmount Water Works and the Schuylkill River, 1838
Fairmount and vicinity, 1839
Isometrical View of Fairmount Water Works, 1843
Centre Square Engine House, ca. 1807
Dobson’s Mill, 1884, from History of Philadelphia by Scharf & Wescott
Perkiomen Water Supply Surveys, 1866