JOURNAL OF CHEMICAL EDUCATION years after publication of the main volume. Volume 14, the first volume of the work to be published, was completed during the war in 1940, although i t did not become available until 1946. I t covered the literature on higher cyclic condensed ring compounds exhaustively through 1936, with the incorporation of many additional references up to press date. The present Supplement to Volume 14 includes a complete literature survey for the years 1937 through 1946, and, as with the seven volumes previously published, literature concerning the structure of compounds is cited inclusive of the year of publication. There are many literature references for 1950 and 1951 in the present volume. The choioe of carboisocyelic condensed compounds with iour THEODOR VON BRAND rings or more as the subject of the first main volume to be pr3NATIOWAL INBTITDT OB~ HSALTR sented has proved to be even more suitable than might have been BETIEBDA,MARYLAXD foreseen, in that a supplement to this volume was urgently needed a t this time. At the date of appearance of Volume 14, 0 CORROSION-CAUSES AND PREVENTION Beilstein covered cyclic compounds (except for hydrocttrbons) Fmnk N. Speller, Corrosion Consultant. Third edition. Mc- only up to 1920. Elsevier only temporarily filled the lrtcuna Graw-Hill Book Co., Inc., New York, 1951. dii 686 pp. 181 in the literature tabulation of these compounds. In the yearn 1937 to 1946 research in the field wsg so extensive that even the figs. 70 tables. 16 X 24 em. $10. number of known higher cyclic condensed ring systems increzsed SINCE1926, when the first edition appeared, Speller has been by sixty per cent (from 233 to 378 systems). Moreover, so the reference hook to which chemists and engineers have turned much more information became available for the older known to find a readily understandable explanation of corrosion phe- systems that, for example, whereas only 14 pages had t o he nomena and also to find a practical solution to a. corrosion prob- devoted to 1,2-henzanthracene in the main volume, 130 pages lem. The second edition in 1935 is now followed by a third were necessary to cover it in the present supplement. The editian.in n.hioh considerable revision has been made to keep field has assumed such proportions that the supplement to pace with the numerous publications in this field. As with the Volume 14 has been divided into four parts. The present volume earlier editions, each chapter has been reviewed by one or more encompasses neither steroids nor triterpenes. These will be experts in that particular field of corrosion. the subject of later volumes to the supplement, two of which The book is divided into two parts; the first covers general are scheduled for publication in 1953. principles (296 pages) and the second deals with preventive measIn compiling the supplement to Volume 14 the editor and his ures (336 pages). An appendix gives some useful data, test staff have maintained their estzblished highstandards oilucidity, procedures, and glossary of terms used in corrosion. The index critical and intelligent evaluation, careful accuracy, and thoroughis detailed. The fimt section covers the theories of corrosion; ness. The literature survey embraces 625 periodicals aa comthe influence of various internal factors on the corrosion rate, such pared with 220 periodicals consulted in the preparation of the as methods of manufacture and treatment, and composition of main volume. Although the patent literature was purposefully the metal; and the influence of those factors external to the excluded from the main volume, it has been covered in the presmetal. A chapter on principles and methods of corrosion test- ent supplement. I n many instances recent unpublished data ing concludes the section. have been made available thro,ugh private communications with The more extensive section is that on preventive measures, in the investigators. Erroneous and contradictory information which is discussed the prevention of corrosion in the atmos- in the literature has been corrected, both through the efforts of phere, underwater, in closed-water systems, in steam generators, the Elsevier Ishamtory staff and with the aid of the authors of in steam and hot-water heating systems, in chemical industries, the original papers. The very useful summaries of ring systems underground, by stray electric currents, and finally the use of which precede each structural class of compounds (tetracyclic, cathodic orotection. It is in this section where ~reventivemeas- pentaeyclie, etc.), include all ring systems known up to 1946 trn,i rin il~-.ru;cwlthxr Spellrr i s a t his lwrr. HIS long- e q ~ r : r r n . ~with page references to hoth the main volume and the supplew >Iio~-ultantI I I 1111s fi4d h91 p w w I&n nw1y vxnmplt\ of urnment. I n addition, the summary of available methods for formausual corro~ianproblems and he has had ample time to observe tion of the nucleus, presented with most of the ring systems, also the efficacy of preventive measures. rzfers to hoth the main and supplementary volumes. This The hook prides itself on its freedom from mathematics and highly helpful cumulstive approach to the literature, missing in thermodynamics. The "prectical" engineer will find a. prac- Beilstein, is, finally, extended to both the subject and fonnula tical solution to many of his corrosion problems, written in s index in this Elsevier mpplement. manner he can understand. This hook will continue to be the Invaluable as Beilstein has been to organic chemistry in the important text and reference hook in tho field. past, the editor and publishers of Elsevier have now shown that KENNETH A. KOBE a work in the field of scientific documentation superior to BeilU ~ ~ v ~ n s OF r rTr n a ~ s stein csn be created. Without sacrificing any of Beilstein's A u s ~ m TEXAB , recognized thoroughness and rigidly unamhiguouii system of classification, Elsevier presents a greater abundance of informsi tion in a well systematized, more convenient, more stimulating and mare concise manner. The emphasis on physicaland physiological, as well as chemiczl dats, broadens its usefulness to soience in general. The cumulative approach to documentation, the chronologiaal arrangement of literaturereferencesafter each short section, the mechanical readability, all enhance the attractiveEdited by F. Rodt Elsevier Publishing Co., Houston and Amster- ness and usability of this wark. For these reasons, and because dam, 1951. x n d 938 pp. (text) 113 pp. (mder). 17.5 X 26 of its up-bdstenens, it would seem likely that Elsevier will be cm. Subscription price, $66. Serial price, $77. Single vol- ranked in first place as a. compendium of organic compounds when ume price, $88. the main wark is complete in 1963. WITX the appearance of this first supplementary volume to FRANCES BERLINER Elsevier's Encvelopsedia, the editor and publishem have honored B n r ~M*wn COLLEGE B R Y NMAW=. PENYSTLI'ANTA their initial promise to supply supplements to each volume ten one of the second edition shorn-Eonly few changes: newly mentioned are Parderdee's method (in a brief footnote only) and also only briefly Laser and Rothschild's new method, both being useful for the measurement of respiration in the presence of carbon dioxide. The third part consists of five appendixes, the first three of which are identical with those given in the second edition (table of physical constants, details of calibration, etc.). Newly introduced, and obviously of great value, is appendix 4, giving nomograms for manometer constants. Appendix 5, equally useful, describes the calibration of interchangeable flasks. The hook ends with a list of references, a suhject index, and a table of logarithms.
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