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
James W. Phillips Letter Book, 1904-1913
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