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
Bird’s eye view of Delaware River and Philadelphia, about 1840
View from the Inclined Plane near Philadelphia, 1838
Fairmount Water Works, about 1860
Commencement of laying the main on the East side of the River, 1871
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
