Report on experiments in sewage disposal : carried out at the Knostrop Sewage Works, Leeds, from 1898 to 1905 / by T. W. Harding and W. H. Harrison.

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Report on experiments in sewage disposal : carried out at the Knostrop Sewage Works, Leeds, from 1898 to 1905 / by T. W. Harding and W. H. Harrison. Attribution 4.0 International (CC BY 4.0). Source: Wellcome Collection.