Northern Liberties and Spring Garden Water Works
Electric Pump Installations at Lardner’s Point Pumping Station
Fairmount Park, bird’s eye view from Lemon Hill, detail
“Philadelphie,” Bird’s Eye View, 1855
View from the Inclined Plane near Philadelphia, 1838
Fairmount Water Works, about 1860
Showing the method of sinking the pipe on the bed of the river
Diagram showing heights of reservoirs, dams, standpipes &c, 1894
Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia, 1912
The Fairmount Quadrilles, 1836
