Bethlehem Water Works, 2011
Duplex Pumping Engine, Belmont Works
Engine House of the Belmont Works
Electric Pump Installations at Lardner’s Point Pumping Station
Diagram showing the daily pumpage for the year 1877
Material, both historical and contemporary, that covers Philadelphia's pumping stations, which are mammoth structures that move tremendous quantities of water from place to place all around the region. Philadelphia has had nine (?) pumping stations throughout her history, beginning with the Fairmount Water Works; four are currently in operation.