54 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS MESSTECHNIK-STEUERUNG UND REGELUNG. Dechema-Monographien Nr. 1083-1101. 61. Pp. 249 q- Ill. (1968). Verlag Chemie, Weinheim. This contains the most important papers on measured value processing and process monitoring given at the 15th Exhibition of Chemical Apparatuses (Frankfurt, 1967). As usual the English and German contributions are given in their original lan- guages, two French papers have been translated into German, but all articles have an English, French and German summary. The primary appeal will be for all those who are interested in the various appli- cation possibilities of process computers, digital controllers and transmitters with their scanner and amplifier problems. G. CARRIERE GAS CHROMATOGRAPHY ABSTRACTS- 1967. Editor: C. E. H. Knapman. Pp. xvii 3- 282. (1968). Institute of Petroleum, London. oe 3.15 (63s). This is the tenth volume in this series. For all those interested in gas chromato- graphy and its application these books make a compact yet comprehensive cover for the technique. The format of this volume is very similar to the previous one. One difference which will be welcomed is a considerably extended list of trade names, abbreviations and their chemical equivalents. The list in an incomplete form first appeared in the 1966 edition at the back of the book. In this edition it is included at the front of the book after the list of journals abstracted. The tables of retention indices have not been included in this issue presumably because there have been no changes and they can be found by reference to the previous volume. Articles and papers abstracted in 1967 number 1120. These show that there have been significant advances in the majority of areas of application. Several abstracts deal with the linking of gas chromatography with other analytical techniques such as mass spectrometry, uv and ir spectroscopy, nuclear magnetic resonance spectro- merry etc., and it is clear that combination of techniques will become more general and widespread in due course. There are also papers on reaction and pyrolysis gas chromatography which open up further interesting possibilities. This volume, like its predecessors, will be welcomed since it is the only book of its kind which gives as wide a cover of journals abstracted and as detailed and com- prehensive an index of the year's publications relating to the field. MRs. D. M. GABRIEL. POLISHES. A. Davidsohn and B. M. Milwidsky. 5th edn. Pp. xiv 3- 205 3- Ill. (1968). Leonard Hill, London. •3.50 (70s.). This book is intended as a companion volume to "Synthetic Detergents"

BOOK REVIEWS 55 •vritten by the same authors and published in 1967 by the same publishing house*. "Polishes" gives a general impression of having been much more carefully written than "Synthetic Detergents" and, apart from one or two minor spelling and gram- •natical errors, the only obvious factual mistake is on page 106, where in a discussion on particle size in disperse systems, the authors have their units muddled. There is an excellent chapter (2) dealing with natural and synthetic waxes and wax-like substances, and chapters 3 and 4 cover in an equally comprehensive manner the other raw materials used in polishes. I doubt whether any hospital bacteriologist will share the authors' enthusiasm for the general disinfectant properties of polishes containing pine oil (pp. 81-82) and they may also care to note that E. 7•yphosa went out many years ago as the name of the causative organism of typhoid fever. Subsequent chapters covering formulation, manufacture and analytical control contain a wealth of practical detail, and must surely be of great value to workers in the polishes industry. Raw materials specifications, formulae, etc., are mostly presented in the form of tables (55 in all) and, although much of this material has been culled from official and semi-official books of standards, manufacturers leaflets, etc., it will probably represent a great convenience to have this information in one volume. B. COOK. THE PRACTICAL APPROACH TO MARKETING MAN- AGEMENT. S. Morse. Pp. 256+Ill. (1967). McGraw-Hill, London. •2.60 (52s). Basically an excellent book serving as a reference book for the practising marketing man and a text book for the beginner. Some areas are perhaps treated somewhat skimpily but then full reference is made to volumes which deal specifically with individual areas. Under the heading "The Uses of Marketing Research", p. 48, Mr. Morse gives a list of some facts that a good marketing research department should be able to produce. No. 2 in the list is "What is our share of the present market? (resulting from knowledge of our sales by period and by product in volume and value)". Mr. Morse does not add that it is also important to know the current size of the market itself to determine the product share. In p. 78, second paragraph, as part of a general discussion on the use of Method Effectiveness Analysis, Mr. Morse states "that this kind of method effectiveness analysis is ignored is shown by the continued use of large sales forces to visit retailers in the food industry, despite the fact that central buying organisations now carry most of the buying power". One can only conclude from this statement that Mr. Morse has never been intimate- ly involved in selling to retailers in the food industry. Most large manufacturers realise the savings potential in the centralisation of buying. That this saving is still an unrealiscd potential is because the internal communications and management within many of the organisations practising central buying is so poor that special [*J. i9 756 (1968)•.