69th St. Sewer and Culvert across Lansdowne AVe.
Ventilating cover for manholes
Outhouse over the Schuylkill near Pottstown
Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia, 1912
Typical house drainage
City officials tour new interceptor sewer, 1953
Plan for the Collection, Treatment and Disposal of Sewage, 1914
Pennypack Sewage Treatment Works, 1914
Outside Sprinkling Filters, Spring Garden Sewage Experiment Station, 1911
Devereaux Street Sewer, Philadelphia magazine, 1911
