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 Photographs of X Ray Work. Fifty-two Illustrations. 200 pp. Price 10s. 6d. net. (Post free, 10s. 10d. home; 11s. 3d. abroad.) #Contents.# #Historical# -- Work leading up to the Discovery of the X Rays -- The Discovery--#Apparatus and its Management# -- Electrical Terms -- Sources of Electricity -- Induction Coils -- Electrostatic Machines -- Tubes -- Air Pumps -- Tube Holders and Stereoscopic Apparatus -- Fluorescent Screens -- #Practical X Ray Work# -- Installations -- Radioscopy -- Radiography -- X Rays in Dentistry -- X Rays in Chemistry -- X Rays in War -- Index. #List of Plates.# _Frontispiece_ -- Congenital Dislocation of Hip-Joint. -- I., Needle in Finger. -- II., Needle in Foot. -- III., Revolver Bullet in Calf and Leg. -- IV., A Method of Localisation. -- V., Stellate Fracture of Patella showing shadow of "Strapping". -- VI., Sarcoma. -- VII., Six-weeks-old Injury to Elbow showing new Growth of Bone. -- VIII., Old Fracture of Tibia and Fibula badly set. -- IX., Heart Shadow. -- X., Fractured Femur showing Grain of Splint. -- XI., Barrell's Method of Localisation. #INDIA-RUBBER AND GUTTA PERCHA.# #INDIA-RUBBER AND GUTTA-PERCHA.# Translated from the French of T. SEELIGMANN, G. LAMY TORVILHON and H. FALCONNET by John GEDDES McINTOSH. Royal 8vo.