=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. Nearly 400 pp. Royal 8vo. 1901. Price 12s. 6d.; India and Colonies, 13s. 6d.; Other Countries, 15s.; strictly net. =Contents.= Part I., =Theoretical Study of Aluminium, Iron, and Compounds of these Metals.=--Chapters I., Aluminium and its Compounds.--II., Iron and Iron Compounds. Part II., =Manufacture of Aluminium Sulphates and Sulphates of Iron.=--Chapters III., Manufacture of Aluminium Sulphate and the Alums.--IV., Manufacture of Sulphates of Iron. Part III., =Uses of the Sulphates of Aluminium and Iron.=--Chapters V., 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.--VI., =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. Part IV., =Chemical Characteristics of Iron and Aluminium.=--=Analysis of Various Aluminous or Ferruginous Products.=--Chapter VII., Aluminium.--=Analysing Aluminium Products.=--Alunite Alumina--Sodium Aluminate--Aluminium Sulphate. Chapter VIII., =Iron.=--Analytical Characteristics of Iron Salts--Analysis of Pyritic Lignite--Ferrous and Ferric Sulphates--Rouil Mordant--Index. * * * * * =MANUAL OF AGRICULTURAL CHEMISTRY.= By HERBERT INGLE, F.I.C., Lecturer on Agricultural Chemistry, the Yorkshire College; Lecturer in the Victoria University. [_In the press._ =Contents.= Chapters I., Introduction.--II., The Atmosphere.--III., The Soil.--IV., The Reactions occurring in Soils.--V., The Analysis of Soils.--VI., Manures, Natural.--VII., Manures (continued).--VIII., The Analysis of Manures.--IX., The Constituents of Plants.--X., The Plant.--XI, Crops.--XII., The Animal. * * * * * =LUBRICATING OILS, FATS AND GREASES:= Their Origin, Preparation, Properties, Uses and Analyses. A Handbook for Oil Manufacturers, Refiners and Merchants, and the Oil and Fat Industry in General. By GEORGE H. HURST, F.C.S. Second Edition. Sixty-five Illustrations. 313 pp. Demy 8vo. 1901. Price 10s. 6d.; India and Colonies, 11s.; Other Countries, 12s.; strictly net. =Contents.=