Upper Roxborough filter beds under construction, July 1902
Outhouse over the Schuylkill near Pottstown
Bureau of Water Spring Garden Testing Station, 1901
Apparatus for testing model turbine wheels used at Fairmount, 1859-60
Duplex Pumping Engine, Belmont Works
Electric Pump Installations at Lardner’s Point Pumping Station
Philadelphia Water Department Fire Hydrant
Commencement of laying the main on the East side of the River, 1871
Engine House, Belmont Works
Diagram showing the daily pumpage for the year 1877
