A new process for purifying the waters supplied to the metropolis by the existing water companies : rendering each water much softer, preventing a fur on boiling, separating vegetating and colouring matter, destroying numerous water-insects, and withdrawing from solution large quantities of solid matter, not separable by mere filtration / by Thomas Clark.

Public Domain Mark

You can use this work for any purpose without restriction under copyright law. Read more about this licence.

Credit

A new process for purifying the waters supplied to the metropolis by the existing water companies : rendering each water much softer, preventing a fur on boiling, separating vegetating and colouring matter, destroying numerous water-insects, and withdrawing from solution large quantities of solid matter, not separable by mere filtration / by Thomas Clark. Public Domain Mark. Source: Wellcome Collection.

Provider

This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.