CHEMISTRY AND TECHNOLOGY. 29 



InMed. 8vo. Cloth. Pp. i-vii + 171. With Many Tables. 6s.net. 

 The Theory and Practice of 



Enamelling on Iron and Steel. 



BY JULIUS GRUNWALD, DR., ING. 

 Translated by H. H. HODGSON, M.A., B.Sc., Ph.D. 



CONTENTS. Introduction. The Raw Materials. The Mixing, Dissolving, and Application of 



Enamel. Heating and Pickling Goods in the Kough. Correct laying on. Baking Enamelled 



Ware. Decoration of Enamelled Objects. Photo-Ceramics in their Application to Enamels. 



General and Statistical Chapter. The History of Enamels and their Uses. INDEX. 



" Combines the theory and practice of enamelling in a most effective manner." Iron and Steel 



In Med. 8vo. Uniform with the above. 6s. net. 



The Technology of 



Iron Enamelling and Tinning. 



BY JULIUS GRUNWALD. DR., ING. 

 Translated by H. H. HODGSON, M.A., B.Sc., Ph.D. 



CONTENTS. The History of the Enamels and their Technology. Economic Significance of the 

 Sheet-Iron Enamelling Industry. Chemical Technology of the Enamelling Industry. Enamel 

 Manufacture and the Function of Clay in the Enamel. Purple of Cassius. The Examination of 

 Enamels for Cast Iron. The Stiffening of Enamels when ground Moist by means of Vehicles. 

 Heating and Pickling of Rough Iron Wares. The Pickling Process.-Chemical Composition of an 

 ~ ~ ~ - - - - unds.-Tin Disease.-Procedure in an 



ing and Pickling of Rough Iron Wares. -The Pickling Process.-Chemical Comi 

 al. Tinning. Tin Recovery. Danger of Lead Compounds. Tin Disease. Prc 

 nel Works. Educational Training of Managers for Enamel Works INDEX. 

 " The author of this book . . . has done much to put our knowledge of the subject upon'a 

 scientific basis." Foundry Trade Journal. 



In Cloth. Pp. i-xi + 225. Uniform with the Author's other Works. 8s. 6d. net 



THE RAW MATERIALS OF THE ENAMEL INDUSTRY 



AND THEIR CHEMICAL TECHNOLOGY. 



BY JULIUS GRUNWALD, DR., ING. 

 Translated by H. H. HODGSON, M.A., B.Sc., Ph.D. 



CONTENTS. Felspar. Quartz.-Fluorspar or Fluorite. Clay (Alumino-Silicates), Borax and 

 Boric Acid. Cryolite and its Substitutes and its Functions in Enamel Manufacture. Pyrolusite. 

 Tin Oxide. Other White Colouring Agents. Nickel Oxides. Cobalt Oxide and its Compounds. 

 Sodium Carbonate. Saltpetre. Potash. Some Important Enamelling Pigments. General 

 Enamel Recipes.-lNDEX. 



In Medium 8vo. Handsome Cloth. Illustrated. Pp. i-xix + 359. 25s.net. 



CELLULOID, 



ITS MANUFACTURE, APPLICATIONS, AND SUBSTITUTES. 



Translated from the French of MASSELON, ROBERTS, and CILLARD. 

 BY H. H. HODGSON, M.A.(Camb.), B.Sc.(Lond.), Ph.D. (Heidelberg). 



CONTENTS. Composition, Origin, Properties. Nitrocellulose. Commercial Nitration 

 Processes. Bleaching of Cellulose. Drying. Steeping. Staining of Celluloid. Rolling, 



Compression. Cutting and Dressing. Tubes. Waste. Analyses. Mechanical Tests. 

 Inflammability. Precautions in Celluloid Works. INDEX. 



SECOND EDITION, Thoroughly Revised. Re-set Throughout. In Large 8vo. Cloth. 

 Pp. i-xvi+266. With Frontispiece and 58 other Illustrations. 7s. 6d. net. 



THE MANUFACTURE OF INK. 



A Handbook of the Production and Properties of Printing, Writing, and 



Copying Inks. 

 BY C. A. MITCHELL, B.A., F.I.C., F.C.S., & T. C. HEPWORTH. 



CONTENTS. Introduction. Carbon and Carbonaceous Inks. Tannin Materials for 

 Inks. Nature of Inks. Manufacture of Iron Gall Inks. Logwood, Vanadium, and 

 Aniline Black Inks. Coloured Writing Inks. Examination of Writing Inks. Early 

 Methods of Manufacture. Manufacture of Varnish. Preparation and Incorporation cf 

 the Pigment. Coloured Printing Inks. Copying Inks. Marking Inks. Safety Inks and 

 Papers. Sympathetic Inks. Inks for Special Purposes English Patents. INDEX. 

 "Thoroughly well arranged . . . and of a genuinely practical order." British Printer. 



LONDON : CHARLES GRIFFIN & CO., LTD., EXETER STREET, STRAND. 



