Color Diagram of Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia
State Street pipeline construction, 1904
Rudolph Hering
Electric Pump Installations at Lardner’s Point Pumping Station
Standard Philadelphia (B) Hydrant
Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia, 1912
New Mill House at Fairmount
Water Works Standpipe, 1853
Outside Sprinkling Filters, Spring Garden Sewage Experiment Station, 1911
State Road triple pipeline construction, 1904
