Northern Liberties and Spring Garden Water Works
Engine House of the Belmont Works
Electric Pump Installations at Lardner’s Point Pumping Station
View from the Inclined Plane near Philadelphia, 1838
Standard Philadelphia (B) Hydrant
Philadelphia Water Department Fire Hydrant
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 the daily pumpage for the year 1877
Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia, 1912
