Items

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

Pipe Aqueduct across Wissahickon Valley, 1868 (2004.057.0074.004)

Wissahickon Pipe Aqueduct, Roxborough to Mt. Airy, 1868

International Exhibition situation plan, 1876

Centennial Exhibition situation plan, 1876

Showing method of sinking the pipe on the bed of the River (2004.057.0074.006)

Showing the method of sinking the pipe on the bed of the river