Diagram from sewage treatment plan for Philadelphia, 1912
Dauphin and Sydenham car crash, Jan. 17, 1978
Mill Creek Sewer under construction, 1883
“A Decidedly Mixed Drink,” April 6, 1899
Bill for Privy Cleaning, 1869
Captain Sewer and Michael Nutter, 1998
30th Street Sewer
‘Gillette, All By Himself, Gets Fine New Idea On Germ Slaying’
State Street pipeline construction, 1904
Belmont Filters construction, 1903