Copyright, 1918
BY
JOSEPH RACE, F.I.C.

PRESS OF
BRAUNWORTH & CO.
BOOK MANUFACTURERS
BROOKLYN, N. Y.


DEDICATED
TO
Sir Alexander Houston, K.B.E., D.Sc., M.B., C.M.


PREFACE

No apology is necessary for the publication of a book on the chlorination of water. This method of treatment, practically unknown fifteen years ago, has advanced in popularity during the last decade in a most remarkable manner, and in 1918 over forty millions of people are being supplied with chlorinated water.