SCIENCE LIST 



THE CONDUCTION OF ELEC- 

 TRICITY THROUGH GASES AND RADIO- 

 ACTIVITY. A Text-Book with Experiments. 



By R. K. McCLUNG, M. A. , D.Sc., Lecturer in Physics, University 

 of Manitoba, Winnipeg, Manitoba. With 78 Illustrations. 262 

 pp. 8vo, 8s. 6d. net. (Postage 5<1) (1910) 



A HISTORY OF CHEMISTRY, from 



the Earliest Times till the Present Day. 



By the late JAMES CAMPBELL BROWN, D.Sc. (Lond.), LL.D. 

 (Abdn.), Professor of Chemistry, University of Liverpool. Edited 

 by H. H. BROWN. Second Edition. With a Portrait and 

 106 Illustrations. 576pp. 8vo, 2is.net. (Postage gd.) (1920) 



" Prof. Brown's book is enriched with very many illustrations and bears 

 every sign of being the result of deep and extensive study. It should be 

 in the library of everyone interested in the history of Alchemy." 



Journal of the Alchemical Society. 



By the same Author. 



ESSAYS AND ADDRESSES. 



With a Portrait and 22 Illustrations. 222 pp. 8vo, 55. net. 

 (Postage 6d.) (19*4) 



A SYSTEMATIC HANDBOOK OF 



VOLUMETRIC ANALYSIS ; or, the Quantitative 

 Estimation of Chemical Substances by measure, applied- 

 to Liquids, Solids and Gases. 



By FRANCIS SUTTON, F.I.C., F.C.S., Public Analyst for the County 

 of Norfolk. Adapted to the requirements of Pure Chemical 

 Research, Pathological Chemistry, Pharmacy, Metallurgy, Manu- 

 facturing Chemistry, Photography, etc., and for the Valuation of 

 Substances used in Commerce, Agriculture, and the Arts. Eleventh 

 Edition. Revised throughout, with numerous additions, by 

 W. LINCOLNE SUTTON, F.I.C., Public Analyst for the County 

 of Suffolk, and ALFRED E. JOHNSON, B.Sc.(Lond.), F.I.C., 

 A.R.C.Sc.I. (Reprinting) 



PRACTICAL CHEMISTRY 



By WILLIAM G. VALENTIN, F.C.S., late Principal Demonstrator of 



Practical Chemistry in the Science Training Schools. 

 Tenth Edition. By Dr. W. R. HODGKINSON, F.R.S.E., Professor 

 of Chemistry and Physics in the Ordnance College, Woolwich. 

 With 95 Engravings and Map of Spectra. 496 pp. 8vo, 

 I2S. 6d. net. (Postage 6d.) 



J. & A. CHURCHILL 

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