Fairmount Park topographical map, showing East Park Reservoir, 1872
Wire Bridge at Fairmount, with canal lock and esplanade (Picturesque America)
Wingohocking Sewer across Penn St.
Centre Square Water Works, Frederick Graff, Sr. Plans, 1799
Dauphin and Sydenham car crash, Jan. 17, 1978
69th St. Sewer and Culvert across Lansdowne AVe.
Duplex Pumping Engine, Belmont Works
View from the Inclined Plane near Philadelphia, 1838