Centre Square Water Works, Latrobe Plans, 1799
Fair Mount Water Works engine house, 1819
PWD water tech at the Philly Home Show, 1960 (detail)
State Street pipeline construction, 1904
Belmont Filters construction, 1903
Rudolph Hering
Electric Pump Installations at Lardner’s Point Pumping Station
Engine House, Belmont Works
New Mill House at Fairmount