Item Types Image

Diagram and description of the typhoid bacteria

Typhoid bacteria diagram, 1905

Torresdale Conduit work gang, 1906

Torresdale Conduit work gang, 12/18/1906

Finished Upper Roxborough filters, 1903

Finished Upper Roxborough filters, 1903

Nine visiting nurses ready for work, ca. 1909

Nine visiting nurses ready for work, ca. 1909

Spring Garden water testing lab, 1901

Bureau of Water Spring Garden Testing Station, 1901

Immigrant family, ca. 1900

Immigrant family, ca. 1900, nurse in black

Two bottles of water from a river, one dark with pollution and one clear after filtration

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.

State Road triple pipeline construction, 1904

1902 photo of Upper Roxborough Filter beds under construction

Upper Roxborough Filter Bed Construction, 1902