Upper Roxborough filter beds under construction, July 1902
Rudolph Hering
Duplex Pumping Engine, Belmont Works
Engine House of the Belmont Works
Electric Pump Installations at Lardner’s Point Pumping Station
Standard Philadelphia (B) Hydrant
Commencement of laying the main on the East side of the River, 1871
Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia, 1912
New Mill House at Fairmount
Water Works Standpipe, 1853
