Subjects Water Treatment

Laboratory Alkalinity test, ca. 1943

Making It Safe to Drink: Water History Video 2

Oak Lane Reservoir pipeline, 1904

The Water and Drainage History of Philadelphia: A seven-part course

Lab tech at Philly Home Show, 1960

Lab tech, water cleaning demo, Philly Home Show, 1960

Spring Garden water testing lab, 1901

Bureau of Water Spring Garden Testing Station, 1901

Spring Garden Sewage Experiment Station, used to test water filtration methods

Outside Sprinkling Filters, Spring Garden Sewage Experiment Station, 1911