; Whitewash --
Liquid Air; Retrocession -- Purification of Water; Water Hardness --
Fleshings and Bones -- Ozonised Air in the Bleaching and Deodorising
of Fats, Glues, etc.; Bleaching Textile Fibres -- Appendix: Air and
Gases; Pressure of Air at Various Temperatures; Fuel; Table of
Combustibles; Saving of Fuel by Heating Feed Water; Table of
Solubilities of Scale Making Minerals; British Thermal Units Tables;
Volume of the Flow of Steam into the Atmosphere; Temperature of Steam
-- Index.

#THE INDUSTRIAL USES OF WATER.
COMPOSITION--EFFECTS--TROUBLES--REMEDIES--RESIDUARY
WATERS--PURIFICATION--ANALYSIS.# By H. de la COUX. Royal 8vo.
Translated from the French and Revised by Arthur MORRIS. 364 pp. 135
Illustrations. Price 10s. 6d. net. (Post free, 11s. home; 11s. 6d.
abroad.)

#Contents.#

Chemical Action of Water in Nature and in Industrial Use --
Composition of Waters -- Solubility of Certain Salts in Water
Considered from the Industrial Point of View -- Effects on the Boiling
of Water -- Effects of Water in the Industries -- Difficulties with
Water -- Feed Water for Boilers -- Water in Dye works, Print Works,
and Bleach Works -- Water in the Textile Industries and in
Conditioning -- Water in Soap Works -- Water in Laundries and
Washhouses -- Water in Tanning -- Water in Preparing Tannin and
Dyewood Extracts -- Water in Papermaking -- Water in Photography --
Water in Sugar Refining -- Water in Making Ices and Beverages -- Water
in Cider Making -- Water in Brewing -- Water in Distilling --
Preliminary Treatment and Apparatus -- Substances Used for Preliminary
Chemical Purification -- Commercial Specialities and their Employment
-- Precipitation of Matters in Suspension in Water -- Apparatus for
the Preliminary Chemical Purification of Water -- Industrial Filters
-- Industrial Sterilisation of Water -- Residuary Waters and their
Purification -- Soil Filtration -- Purification by Chemical Processes
-- Analyses -- Index.

(_See Books on Smoke Prevention, Engineering and
Metallurgy, p. 26, etc._)

#X RAYS.# (p. c13)

#PRACTICAL X RAY WORK.# By Frank T. ADDYMAN, B.Sc. (Lond.), F.I.C.,
Member of the Roentgen Society of London; Radiographer to St. George's
Hospital; Demonstrator of Physics and Chemistry, and Teacher of
Radiography in St. George's Hospital Medical School. Demy 8vo. Twelve
Plates from Photo