Sewer systems, City of Philadelphia, 1927 and 1929
Frankford Creek Watershed Historical Timeline
Newspaper Clipping Scrapbooks of Frederic Graff Jr.,Chief Engineer of the Philadelphia Water Department: Part 1, 1854-1857
Newspaper Clipping Scrapbooks of Frederick Graff Jr., Chief Engineer of the Philadelphia Water Department. Part 2: 1858-1871
Supporting the party in power
2,000 Turn Out for ‘Be-In’ To Promote ‘Flower Power’
“Speeding the Parting Guest,” Feb. 25, 1909
“A Decidedly Mixed Drink,” April 6, 1899
Sewer Demand Taken to City Hall, 7/25/32
Goal (jail) in Walnut Street, Philadelphia, 1800
Congress Hall and New Theatre in Chestnut Street, Philadelphia
Library and Surgeon’s Hall in Fifth Street, Philadelphia, 1800
‘Gillette, All By Himself, Gets Fine New Idea On Germ Slaying’
Portrait of Samuel H. Ashbridge, Mayor
State Sen. James P. McNichol
Philadelphia Water Department chief engineer John Trautwine Jr., 1890s
Northeast Sewage Plant opening, 1951
