 
		 
		 
		Fairmount Water Works, W.H. Bartlett, 1839
 
		Fairmount and vicinity, 1839
 
		Isometrical View of Fairmount Water Works, 1843
 
		Centre Square Engine House, ca. 1807
 
		Northern Liberties and Spring Garden Water Works
 
		View from the Inclined Plane near Philadelphia, 1838
 
		Lancaster/Schuylkill Bridge (Upper Ferry Bridge)
