High Water: An Informal History of Flooding in Philadelphia
1779 Revolutionary War-era map of Philadelphia and environs
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’
Philadelphia Water Department chief engineer John Trautwine Jr., 1890s
Immigrant family, ca. 1900, nurse in black
Fairmount Park, bird’s eye view from Lemon Hill, detail
New Mill House at Fairmount