Centre Square Water Works, Frederick Graff, Sr. Plans, 1799
Plan of Pine Street Sewer, 1830
Fairmount Water Works, W.H. Bartlett, 1839
Fairmount Water Works from the forebay, 1833
Fourth of July, Centre Square, ca. 1812
Centre Square Engine House, ca. 1807
Wood truss drawbridge, Orthodox Street over Frankford Creek, rebuilt 1899
Bridge Street Draw, view through bridge, July 26, 1897
Bridge Street Draw, July 26, 1897
Bridge Street Draw looking north, ca. 1896