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Water History: Rebirth of the Rivers
PWD Drinking Water Treatment diagram
“Speeding the Parting Guest,” Feb. 25, 1909
“A Decidedly Mixed Drink,” April 6, 1899
Isometrical View of Fairmount Water Works, 1843
Bacteria in Delaware River, Torresdale Filters, 1913
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
McConnell Germ-Proof Filters ad
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
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