State Street pipeline construction, 1904
Belmont Filters construction, 1903
Finished Upper Roxborough filters, 1903
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
Engine House of the Belmont Works
Electric Pump Installations at Lardner’s Point Pumping Station
