Birch’s Views of Philadelphia, 1800
Typhoid Fever and sewage tainted drinking water: An 1889 report from the Philadelphia Board of Health
Centre Square Water Works, Frederick Graff, Sr. Plans, 1799
Fairmount and vicinity, 1839
Centre Square Engine House, ca. 1807
Bethlehem Water Works, 2011
The Water Works in Centre Square, Philadelphia
Centennial Exhibition situation plan, 1876
Electric Pump Installations at Lardner’s Point Pumping Station
Diagram showing the daily pumpage for the year 1877
