8 

 Contents. 



Chapters I., General Chemical and Physical Properties of the Drying Oils; Cause of the 

 Drying Property; Absorption of Oxygen; Behaviour towards Metallic Oxides, etc. II., The 

 Properties of and Methods for obtaining the Drying Oils. III., Production of the Drying Oils 

 by Expression and Extraction ; Refining and Bleaching ; Oil Cakes and Meal ; The Refining 

 and Bleaching of the Drying Oils ; The Bleaching of Linseed Oil. IV., The Manufacture of 

 Boiled Oil ; The Preparation of Drying Oils for Use in the Grinding of Paints and Artists' 

 Colours and in the Manufacture of Varnishes by Heating over a Fire or by Steam, by the Cold 

 Process, by the Action of Air, and by Means of the Electric Current ; The Driers used in 

 Boiling Linseed Oil ; The Manufacture of Boiled Oil and the Apparatus therefor ; Livache's 

 Process for Preparing a Good Drying Oil and its Practical Application. V., The Preparation 

 of Varnishes for Letterpress, Lithographic and Copperplate Printing, for Oilcloth and Water- 

 proof Fabrics; The Manufacture of Thickened Linseed Oil, Burnt Oil, Stand Oil by Fire Heat, 

 Superheated Steam, and by a Current of Air. VI., Behaviour of the Drying Oils and Boiled 

 Oils towards Atmospheric Influences, Water, Acids and Alkalies. VII., Boiled Oil Substitutes. 

 VIII., The Manufacture of Solid and Liquid Driers from Linseed Oil and Rosin; Linolic 

 Acid Compounds of '"he Driers. IX., The Adulteration and Examination of the Drying Oils 

 and Boiled Oil. 



REISSUE OF CHEMICAL ESSAYS OF C. W. 

 SCHEELE. First Published in English in 1786. Trans- 

 lated from the Academy of Sciences at Stockholm, with Additions. 300 

 pp. Demy 8vo. 1901. Price 5s.; India and Colonies, 5s. 6d. ; Other 

 Countries, 6s. ; strictly net. 



Contents. 



Memoir: C. W. Scheele and his work (written for this edition). Chapters I., On Fluor 

 Mineral and its Acid. II., On Fluor Mineral. III., Chemical Investigation of Fluor Acid, 

 with a View to the Earth which it Yields, by Mr. Wiegler. IV., Additional Information 

 Concerning Fluor Minerals. V., On Manganese, Magnesium, or Magnesia Vitrariorum. 

 VI., On Arsenic and its Acid. VII., Remarks upon Salts of Benzoin VIII., On Silex, 

 Clay and Alum IX.. Analysis of the Calculus Vesical. X., Method of Preparing Mercurius 

 Dulcis Via Humida. XI., Cheaper and more Convenient Method of Preparing Pulvis 

 Algarothi. X"II., Experiments upon Molybdsena. XIII., Experiments on Plumbago. XIV., 

 Method of Preparing a New Green Colour. XV., Of the Decomposition of Neutral Salts by 

 Unslaked Lime and Iron. XVI., On the Quantity of Pure Air which is Daily Present in our 

 Atmosphere. XVII., On Milk and its Acid. XVIII., On the Acid of Saccharum Lactis. 

 XIX., On the Constituent Parts of Lapis Ponderosus or Tungsten. XX., Experiments and 

 Observations on Ether. Index. 



Press Opinions. 



" We would recommend the book as a refreshing recreation to the hard-worked student or 

 investigator of the present day." Chemical News. 



" The present reissue renders accessible a very complete record of the researches of the 

 great chemist." Chemical Trade Journal. 



" Written in a manner that cannot fail to entertain even those whose knowledge of chemical 

 lore is of a very elementary character." Widnes Weekly News. 



GLUE AND GLUE TESTING. By SAMUEL RIDEAL, D.Sc. 

 Lond., F.I.C. Fourteen Engravings. 144pp. Demy 8vo. 1900. Price 

 10s. 6d. ; India and Colonies, 11s. ; Other Countries, 12s.; strictly net. 

 Contents. 



Chapters I., Constitution and Properties: Definitions and Sources, Gelatine, Chondrin 

 and Allied Bodies, Physical and Chemical Properties, Classification, Grades and Commercial 

 Varieties. II., Raw Materials and Manufacture : Glue Stock, Lining, Extraction, Washing 

 and Clarifying, Filter Presses, Water Supply, Use of Alkalies, Action of Bacteria and of 

 Antiseptics, Various Processes, Cleansing, Forming, Drying, Crushing, etc., Secondary Pro- 

 ducts. III., Uses of Glue : Selection and Preparation for Use, Carpentry, Veneering, 

 Paper-Making, Bookbinding, Printing Rollers, Hectographs, Match Manufacture, Sandpaper,, 

 etc., Substitutes for other Materials, Artificial Leather and Caoutchouc. IV., Gelatine : 

 General Characters, Liquid Gelatine, Photographic Uses, Size,. Tanno-, Chrome and Formo- 

 Gelatine, Artificial Silk, Cements, Pneumatic Tyres, Culinary, Meat Extracts, Isinglass, Medi- 

 cinal and other Uses, Bacteriology. V., Glue Testing : Review of Processes, Chemical 

 Examination, Adulteration, Physical Tests, Valuation of Raw Materials. VI., Commercia 

 Aspects. 



Press Opinions. 



"This work is of the highest technical character." Carpenter and Builder. 

 " Dr. Rideal's book must be regarded as a valuable contribution to other technical literature, 

 which manufacturers, merchants and users may study with profit." British Trade Journal. 



TECHNOLOGY OP PETROLEUM : Oil Fields of the 

 World Their History, Geography and Geology Annual Production 

 and Development Oil-well Drilling Transport. By HENRY NEU- 

 BERGER and HENRY NOALHAT. Translated from the French by J. G. 

 MclNTOSH. 550pp. 153 Illustrations. 26 Plates. Super Royal 8vo. 1901. 

 Price 21s.; India and Colonies, 22s.; Other Countries, 23s. 6d. ; 

 strictly net. 



