Images from ‘The Water Supply of the City of Philadelphia by a proposed Aqueduct from Norristown Dam’
Plan and profile of proposed Delaware Seventh St. Sewer, 1850
Plan of Pine Street Sewer, 1830
Mill Creek Sewer under construction, 1883
Sewer Demand Taken to City Hall, 7/25/32
Bridge Street Draw, Cofferdam, ca. 1896
‘Gillette, All By Himself, Gets Fine New Idea On Germ Slaying’
Outhouse over the Schuylkill near Pottstown
Allegheny Avenue Sewer at Pier 126, 1918
