The treatment and utilisation of sewage / by W.H. Corfield.

  • Corfield, W. H. (William Henry), 1843-1903.
Date:
1887
Catalogue details

Licence: Public Domain Mark

Credit: The treatment and utilisation of sewage / by W.H. Corfield. Source: Wellcome Collection.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.

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    PREFACE TO THE THIRD EDITION As it is now sixteen years since the second edition of this work was published, and as a large amount of additional experience has been gained in the interval, I thought it desirable to issue a new edition, and was so fortunate as to secure the co-operation of my friend and former pupil. Dr. Louis Parkes, with whose valuable assistance the work has been in great part rewritten and very considerably enlarged. The historical portions have been retained in their entirety, as being not only interesting in themselves, but also, on the one hand, descriptive of a state of things still to be found in many places, and on the other, important as a record of methods and pro- cesses which have been adopted at various times. It must be remembered that methods and processes which have been tried and abandoned as useless, are liable to be brought forward arain as new at some future time, unless such a record is kept. The important investigations of the British As-