Water Bureau Newspaper Scrapbook, 1942-1952
The Schuylkill Navigation: A Journey on the Historic Nineteenth Century Waterway
Birch’s Views of Philadelphia, 1800
Centre Square Water Works, Frederick Graff, Sr. Plans, 1799
PWD Drinking Water Treatment diagram
Steam engine drawing, Frederick Graff Sr., 1815
Fair Mount Water Works engine house, 1819
Wood truss drawbridge, Orthodox Street over Frankford Creek, 1899 [Detail]
Bridge Street Draw, July 26, 1897
“Philadelphia Underground,” Jan. 29, 1961