WATER AND ITS PURIFICATION.

A Handbook for the Use of Local Authorities, Sanitary Officers, and others interested in Water Supply. By S. Rideal, D.Sc. Lond., F.I.C. With numerous Illustrations and Tables. Crown 8vo, cloth.

[Just Published. 7/6

“Dr. Rideal’s book is both interesting and accurate, and contains a most useful résumé of the latest knowledge upon the subject of which it treats. It ought to be of great service to all who are connected with the supply of water for domestic or manufacturing purposes.”—The Engineer.

“Dealing as clearly as it does with the various ramifications of such an important subject as water and its purification it may be warmly recommended. Local authorities and all engaged in sanitary affairs, and others interested in water supply, will read its pages with profit.”—Lancet.