


Annual reports and other documents relating to Philadelphia’s water supply system, 1796-1992

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

Beauty from Utility: The Architect of the Southwest Sewage Pumping Station

Centre Square Water System

Centre Square Water Works, Frederick Graff, Sr. Plans, 1799

Centre Square Water Works, Latrobe Plans, 1799

New Mill House at Fairmount

Water Works Standpipe, 1853
