Public Domain Mark
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Credit
Outline of a comprehensive plan for diverting the sewage of London and Westminster from the Thames and applying it to agricultural purposes, for improving the navigation of the river, and for establishing a supply of pure water to the metropolis / by John Martin. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.