Item Types Image

Standard Philadelphia (B) Hydrant (2004.057.022.1075)

Standard Philadelphia (B) Hydrant

Drawing in blue ink on beige paper depicting reservoir, dam and standpipe heights

Diagram showing heights of reservoirs, dams, standpipes &c, 1894

Sewage collection and disposal plan

Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia, 1912