Water
History
PHL
Show/Hide Menu
Items
Articles
Topics
About
Blog
Show/Hide Search
Search!
Collections
Philadelphia Water Department
PWD Drinking Water Treatment diagram
“Speeding the Parting Guest,” Feb. 25, 1909
“A Decidedly Mixed Drink,” April 6, 1899
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’
Torresdale Conduit work gang, 12/18/1906
Belmont Filters construction, 1903
Finished Upper Roxborough filters, 1903
Upper Roxborough filter beds under construction, July 1902
A.C. Abbott, MD
Bureau of Water Spring Garden Testing Station, 1901
36. [Laboratory] Left to right: raw water, settled water, filtered water, ca. 1943
35. [Laboratory] Turbidity test ca. 1943
Laboratory Alkalinity test, ca. 1943
33. [Laboratory] Presumptive coli test
32. [Laboratory] Bacteria count
31. [Laboratory] Taste and odor test
29. Water sample collector [for laboratory]
11. Taking a water sample for laboratory ca. 1943
Northeast Sewage Plant opening, 1951
Southeast Sewage Treatment Works diagram, 1955
Plan for the Collection, Treatment and Disposal of Sewage, 1914
Outside Sprinkling Filters, Spring Garden Sewage Experiment Station, 1911
Posts navigation
1
2
Next