Northern Liberties and Spring Garden Water Works
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
Fairmount Water Works, about 1860
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
Engine House, Belmont Works
Diagram showing the daily pumpage for the year 1877
