#THE MANUFACTURE OF ALUM AND THE SULPHATES AND OTHER SALTS OF ALUMINA AND IRON.# Their Uses and Applications as Mordants in Dyeing and Calico Printing, and their other Applications in the Arts, Manufactures, Sanitary Engineering, Agriculture and Horticulture. Translated from the French of Lucien GESCHWIND. 195 Illustrations. 400 pp. Royal 8vo. Price 12s. 6d. net. (Post free, 13s. home; 13s. 6d. abroad.) #Contents.# #Theoretical Study of Aluminium, Iron, and Compounds of these Metals# -- Aluminium and its Compounds -- Iron and Iron Compounds. #Manufacture of Aluminium Sulphates and Sulphates of Iron# -- Manufacture of Aluminium Sulphate and the Alums -- Manufacture of Sulphates of Iron. #Uses of the Sulphates of Aluminium and Iron# -- Uses of Aluminium Sulphate and Alums -- Application to Wool and Silk -- Preparing and using Aluminium Acetates -- Employment of Aluminium Sulphate in Carbonising Wool -- The Manufacture of Lake Pigments -- Manufacture of Prussian Blue -- Hide and Leather Industry -- Paper Making -- Hardening Plaster -- Lime Washes -- Preparation of Non-inflammable Wood, etc. -- Purification of Waste Waters. -- #Uses and Applications of Ferrous Sulphate and Ferric Sulphates# -- Dyeing -- Manufacture of Pigments -- Writing Inks -- Purification of Lighting Gas -- Agriculture -- Cotton Dyeing -- Disinfectant -- Purifying Waste Liquors -- Manufacture of Nordhausen Sulphuric Acid -- Fertilising. #Chemical Characteristics of Iron and Aluminium# -- #Analysis of Various Aluminous or Ferruginous Products# -- Aluminium -- #Analysing Aluminium Products# --Alunite Alumina -- Sodium Aluminate -- Aluminium Sulphate -- #Iron# -- Analytical Characteristics of Iron Salts -- Analysis of Pyritic Lignite -- Ferrous and Ferric Sulphates -- Rouil Mordant -- Index. #AMMONIA AND ITS COMPOUNDS:# Their Manufacture and Uses. By Camille VINCENT, Professor at the Central School of Arts and Manufactures, Paris. Translated from the French by M. J. SALTER. Royal 8vo. 114 pp. Thirty-two Illustrations. Price 5s. net. (Post free, 5s. 4d. home; 5s. 6d. abroad.) #Contents.# #General Considerations#: Various Sources of Ammoniacal Products; Human Urine as a Source of Ammonia -- #Extraction of Ammoniacal Products from Sewage# -- #Extraction of Ammonia from Gas Liquor# -- #Manufacture of Ammoniacal Compounds from Bones, Nitrogenous Waste, Beetroot Wash and Peat# -- #Manufacture of Caustic Ammonia, and Ammonium Chloride, Phosphate and Carbonate# -- #Recovery of Ammonia from the Ammonia-Soda Mother Liquors# -- #Index#. #INDUSTRIAL ALCOHOL.# A Practical Manual on the Production and (p. c10) Use of Alcohol for Industrial Purposes and for Use as a Heating Agent, as an Illuminant and as a Source of Motive Power. By J. G. M'INTOSH, Lecturer on Manufacture and Applications of Industrial Alcohol at The Polytechnic, Regent Street, London. Demy 8vo. 1907. 250 pp. With 75 Illustrations and 25 Tables. Price 7s. 6d. net. (Post free, 7s. 9d. home; 8s. abroad.)