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Pybus (Professor Frederick) Archive
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Photograph of "Coal Tree"

Photograph of a "Coal Tree" a genealogical tree showing the more important compounds existing in, and derived from coal tar. Shown in the Museum of Science and Engineering, Exhibition Park, Newcastle upon Tyne.

Graphs

Several graphs giving evidence of cancer research and air pollution, accompanying this are several papers which used the graphs - atmospheric pollution in rural and urban environments.

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