Pennsylvania Railroad Bridge at Manayunk, about 1895
Gritty and the Phanatic in Ida’s Floodwaters
Dauphin and Sydenham car crash, Jan. 17, 1978
Images from ‘The Water Supply of the City of Philadelphia by a proposed Aqueduct from Norristown Dam’
Still photo from a video sewer inspection, 2000
Privy Cleaning Receipt, 1885
Plan and profile of proposed Delaware Seventh St. Sewer, 1850
Plan of Pine Street Sewer, 1830
PWD Drinking Water Treatment diagram
“Speeding the Parting Guest,” Feb. 25, 1909