Topics Water Supply

Pumping stations after Philadelphia's incorporation, 1854

Main Pumping Stations for Philadelphia Drinking Water

Black-and-white image showing several cubic measurements of various types

Volume of Sludge from 1,000,000 Gallons of Sewage

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Diagram Showing Rate Between Bulk of Wet Sludge and Its Percentage Moisture

Black-and-white photo of a man standing in a long trench

Sludge Drying Beds, Essen Nord, Germany

Black-and-white image of two cylinders on a white surface

Effects of Expansion of Gas Bubbles in Enscher Sludge Shown in Right-Hand Cylinder

Black-and-white image showing a man standing in a large concrete half-pipe

Thomas Run sewer outlet during construction

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Bacteria in Delaware River, Torresdale Filters, 1913

Water, Water Everywhere – Philadelphia Record, 1937-03-14

Black-and-white image of the title page of a government report

Perkiomen Water Supply Surveys, 1866

Black-and-white image of workers in a pit with a sewer opening behind them and text

Frankford Creek: Sad History of an Urban Stream title page

The Water Works in Centre Square, Philadelphia

International Exhibition situation plan, 1876

Centennial Exhibition situation plan, 1876