CONTENTS.—Synopsis of Training and Possible Careers for a Chemist. Preliminary Education. Pharmacists and Chemists. Professional Training. Prospects and Conditions of Practice. Professional Organisation. Public Analysts and Official Agricultural Analysts. Professional Procedure. Industrial Chemistry. Chemistry and the State. Teaching. Women in Professional Chemistry. Chemists in War.

_What Industry Owes to Chemical Science._ =Richard B. Pilcher= and =Frank Butler-Jones, B.A.= With an Introduction by =Sir George Beilby, LL.D., F.R.S.= Crown 8vo. 166 pages. 4/- net.

A catalogue of technical and scientific books published by Constable & Company Ltd — Part 42

The authors show how science has advanced the methods and processes of production and laid the foundation for the establishment of new manufactures. Many important industries are surveyed with the particular object of informing students of chemistry and engineering of the vast field open to them in their professional careers.

A catalogue of technical and scientific books published by Constable & Company Ltd — Part 42

_Van Nostrand’s Chemical Annual._ A Handbook of Useful Data for Analytical, Manufacturing, and Investigating Chemists, and Chemical Students. Edited by =John C. Olsen, M.A., Ph.D.=, Professor of Analytical Chemistry, Polytechnic Institute, Brooklyn; with the co-operation of Eminent Chemists. Nearly 100 Tables. Crown 8vo. 18/6 net.

A catalogue of technical and scientific books published by Constable & Company Ltd — Part 42

_Principles of Microscopy._ Being an Introduction to Work with the Microscope. =Sir A. E. Wright, M.D., F.R.S., D.Sc., Dublin (Honoris Causa), F.R.C.S.I. (Hon.).= With many Illustrations and Coloured Plates. Super Royal 8vo. 21/- net.

_Ozone._ (A Treatise of Electro-Chemistry. Edited by =Bertram Blount, F.I.C.=) =S. Rideal, D.Sc., F.I.C., F.C.S.= Demy 8vo. 12/- net. (See p. 39.)

_Methods in Metallurgical Analysis._ =Charles H. White=, Assistant Professor in Mining and Metallurgy in Harvard University. Demy 8vo. 106 Illustrations. 21/- net.

CONTENTS.—Definition of the Subject. Sampling. Necessity for Correct Sampling. The Operations of Analysis, Gravimetric, Volumetric Analysis. Calorimetry. Methods of Analysis in the Metallurgy of Iron and Steel. Moisture. Hydroscopic Water. Combined Water. Loss of Ignition. Iron in Ores. Silica, Sulphur, Phosphorus, Alumina, Manganese, Lime, Magnesia and Titanium in Ore. Analysis of—Iron and Steel, Iron Slags, Limestone. Methods of Analysis in the Metallurgy of Copper, Lead, etc. Copper, Lead, Zinc and Arsenic in Ore. Analysis of—Copper Matte, Chilled Blast Furnace Slags, Reverberatory Slags, Briquettes and other Copper-bearing Products, Copper Bullion, Alloys. Methods of Analysis in the Production of the Precious Metals. Analysis of Fluxes. Analysis of Fuels. Analysis of Clay. Methods for the Determination of Some of the Minor Metals. Methods for the Determination of some of the Rarer Metals. Testing of Lubricating Oils. Examination of Boiler Water. Detection of the Metals. Tables. General References.