![Diagram and description of the typhoid bacteria](https://waterhistoryphl.org/wp-content/uploads/TyphoidBacteria_20040990136_700h.jpg?w=300)
![Diagram and description of the typhoid bacteria](https://waterhistoryphl.org/wp-content/uploads/TyphoidBacteria_20040990136_700h.jpg?w=300)
![Black-and-white photo of men, horses and a cart inside of a barn-like structure](https://waterhistoryphl.org/wp-content/uploads/Wingohocking-Ash-Cars-Cox-p79a.jpg?w=300)
Ash dumping house, 2nd floor, 15th and Wood St.
![Black-and-white image shows a trolley car emerging from a building with men standing alongside](https://waterhistoryphl.org/wp-content/uploads/Wingohocking-Ash-Cars-Cox-p76.jpg?w=300)
Ash car 2618, later P-9 and W-29, PRT, 1908, Curtis C-1112 trucks
![Gillette Schuylkill mud cartoon](https://waterhistoryphl.org/wp-content/uploads/D.6c_FINAL_2004.012.0027R_Typhoid_1906_edit-scaled.jpg?w=300)
‘Gillette, All By Himself, Gets Fine New Idea On Germ Slaying’
![Torresdale Conduit work gang, 1906](https://waterhistoryphl.org/wp-content/uploads/D.5_FINAL_1986.002.2546_crop-1-scaled.jpg?w=300)
Torresdale Conduit work gang, 12/18/1906
![Finished Upper Roxborough filters, 1903](https://waterhistoryphl.org/wp-content/uploads/D.1b_FINAL_1986.002.1032-1-scaled.jpg?w=300)
Finished Upper Roxborough filters, 1903
![Nine visiting nurses ready for work, ca. 1909](https://waterhistoryphl.org/wp-content/uploads/B.5_FINAL_Nurses_6_edit_crop.jpg?w=300)
Nine visiting nurses ready for work, ca. 1909
![Spring Garden water testing lab, 1901](https://waterhistoryphl.org/wp-content/uploads/B.1_FINAL_1986.002.0381_edit-scaled.jpg?w=300)
Bureau of Water Spring Garden Testing Station, 1901
![Immigrant family, ca. 1900](https://waterhistoryphl.org/wp-content/uploads/A.5a_FINAL_Nurses_15-scaled.jpg?w=300)
Immigrant family, ca. 1900, nurse in black
![Two bottles of water from a river, one dark with pollution and one clear after filtration](https://waterhistoryphl.org/wp-content/uploads/BeforeAfter_1986.002.1280.jpg?w=300)
Water Before and After Roxborough
![Two black-and-white photographs of pipeline construction on State Road. Depicted are a group of people, trees, buildings, a fire hydrant and a grid of boards over the pipes.](https://waterhistoryphl.org/wp-content/uploads/StateRoad_19860021496_97.jpg?w=300)
State Road triple pipeline construction, 1904
![1902 photo of Upper Roxborough Filter beds under construction](https://waterhistoryphl.org/wp-content/uploads/D.1a_FINAL_1986.002.0660-61-62.jpg?w=300)