


Fairmount Water Works: The Surprising History of an American Landmark

The Waffle: Water History Video 6

Birch’s Views of Philadelphia, 1800

Newspaper Clipping Scrapbooks of Frederic Graff Jr.,Chief Engineer of the Philadelphia Water Department: Part 1, 1854-1857

Newspaper Clipping Scrapbooks of Frederick Graff Jr., Chief Engineer of the Philadelphia Water Department. Part 2: 1858-1871

From Creek To Sewer

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

Half a Century of Clean Water

Grit Chamber, Essen, Germany

Sludge Presses for Grease Recovery, Bradford, England
