J. & A. CHURCHILL'S 



THE FUNDAMENTAL PROCESSES 



OF DYE CHEMISTRY. 



By H. E. FIERZ-DAVID, Professor of Chemistry, Federal 

 Technical High School, Zurich. Translated by F. A. MASON, 

 M.A., Ph.D., Research Chemist, British Dyestuffs Corporation. 

 With 45 Illustrations, including 19 Plates. 254 pp. 8vo., 2 is. net. 

 (Postage yd.) (1921) 



COCOA AND CHOCOLATE. THEIR 



CHEMISTRY AND MANUFACTURE. 



By R. WHYMPER. Second Edition. With 16 Plates and 38 

 Text Figures. 590 pp. Royal 8vo, 423. net. (Postage is.) 



(1921) 



THE SYNTHETIC USE OF METALS 



IN ORGANIC CHEMISTRY. 



By ARTHUR J. HALE, B.Sc. (LoND.), A.I.C., Lecturer and De- 

 monstrator in Chemistry at the City and Guilds Technical 

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THE PREPARATION OF ORGANIC 



COMPOUNDS. 



By E. DE BARRY BARNETT, B.Sc., A.I.C., Lecturer in Organic 

 Chemistry, Sir John Cass Technical Institute. Second Edition. 

 With 54 Illustrations. 290 pp. 8vo, IDS. 6d. net. (Postage gd.) 



(1920) 



By the same Author. 



A TEXT-BOOK OF ORGANIC CHEM- 



ISTRY. 



With 15 Illustrations. 392 pp. 8vo., 155. net. (Postage 6d.) 



(1920; 



MODERN STEEL ANALYSIS. A selec- 



tion of Practical Methods for the Chemical Analysis of 

 Steel. 



By J. A. PICKARD, B.Sc., A.R.C.Sc., A.I.C., Carnegie Research 

 Scholar of the Iron and Steel Institute. With 10 Illustrations. 

 136 pp. Crown 8vo. 55. net. (Postage 3d.) (1914) 



J. & A. CHURCHILL 



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