The Journey of Your Flush
Color Diagram of Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia
Captain Sewer and Michael Nutter, 1998
30th Street Sewer
Ventilating cover for manholes
PWD water tech at the Philly Home Show, 1960 (detail)
Lab tech, water cleaning demo, Philly Home Show, 1960
‘Gillette, All By Himself, Gets Fine New Idea On Germ Slaying’
Torresdale Conduit work gang, 12/18/1906
Bureau of Water, Cumberland, west of 13th Street, pipe line, 1907
