Items

Historic resources from our archives - images, maps, documents, and more.

Plan of Philadelphia, John Hills, May 30, 1796

Plan of Philadelphia, John Hills, 1796

The Water Supply Problem of Philadelphia, 1899

Laying the Main (2004.057.0074.007)

Commencement of laying the main on the East side of the River, 1871

Eleven men in a work gang plug leaks in a tunnel, the Torresdale Conduit

Torresdale Conduit work gang, 1906