Wooden Water Pipe, removed from Market Street, December 6, 1901
Bethlehem Water Works, 2011
Lab tech, water cleaning demo, Philly Home Show, 1960
Torresdale Conduit work gang, 12/18/1906
Finished Upper Roxborough filters, 1903
Duplex Pumping Engine, Belmont Works
Electric Pump Installations at Lardner’s Point Pumping Station
Engine House, Belmont Works
Pennypack Sewage Treatment Works, 1914
Sewer construction, Rock Run, 1922