Search

Search Constraints

Start Over You searched for: Repository The Historical and Interpretive Collections of The Franklin Institute Remove constraint Repository: The Historical and Interpretive Collections of The Franklin Institute Subject Water-supply engineering Remove constraint Subject: Water-supply engineering

Search Results

Main content

Frederick Graff maps, technical drawings, and plans on Philadelphia (Pa.) water engineering projects, circa 1683-1875

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

Main content

Philadelphia Water Department records and collection on Fairmount Water Works, 1801-1980 (inclusive)

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

Main content

Philadelphia Water Department lantern slides, circa 1885-1925

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]