ORGANICSYNTHESES.Collective Volume I, being a Revised Edition of Annual Volumes I-IX. Henry Gilman, Editor-inChief; Roger Adams, H . T . Clarke, 3. B . Conant, C. S.Marvel, C. R. Nolleler, F. C. Whitmore, C. F.H . Allen, Formerly Secretary t o the Board. Second Edition, Edited by A . H. Blatt. Secretary t o the Board, Queens College, Flushing, N. Y. John Wiley and Sons, Inc., New York City, 1941. xi 580pp. 30 figs. 15 X 23 cm. $6.00.
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The second revised edition of ORGANIC SYNTHESES, Collective Volume I, follows exactly the plan of the &st edition, which has proved so satisfactory. The few errors present in the &st edition have been corrected, and a considerable number of additions and improvements in procedures have been suggested. "New or improved procedures are included for preparing henzamidine hydrochloride, adipic acid, dl-alanine, alkyl bromides, benzohydrol, n-butyl chloride, 8-chloropropionic acid, cyclohexene, diphenic acid, henzoylformic acid, 1,4-naphthoquinone, perhenzoic acid, and platinum catalyst for reductions from platinum scrap or spent catalyst." Many of the products described in the original Collective Volume I are now available commercially a t prices of five dollars or less per kilogram. In such cases the directions for the preparation have been marked with an asterisk, although complete directions are still retained. The literature citations have been reviewed through Chemical Abstracts, Volume 34 for 1940, and many additions are apparent. The references are purposely not complete hut logically and carefully selected. There has been added as a subtitle to each preparation the Chemical Abstracts indexing name for the comoaund oreoared. . . . when that name differsfrom the cammonlv used name. The editors and publishers have spared no effortsin producing again a useful and attractive volume. Every desirable and essential feature, including the five previous indexes, of the &st collective volume has been retained. Every organic chemist and chemical library should have these methods of preparation instantly availsble. The only consideration will he a decision between the individual volumes and the collective volume. Many will prefer thelatter because of its compactness and unified arrangement. RALPHE. DUNBAR NOXTH DAKOT* sr*rs C o ~ ~ s a a
TECHNICAL REPORT WRITING. Fred H . Rhodes, Professor of Chemical Engineering, Cornell University. First Edition. McGraw-Hill Book Company, Inc., New York City, 1941. x 125 PP. 7 figs. 15 X 23 cm. 81.50.
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The author has oroduced a book. written in concise. clear style, which should prove invaluahlc for hclping the technical man to prewnt an adequate rewrt of his work. The topics dealt with are: thc impurI~nrrof rffrrtivr pre~entationin trchmcal reports, the characteristics of a good report, the organization of a technical report, the laboratory notebook (preparation good enough so that it may serve as evidence in a pate?t litigation). the form of a report. hints as t o style, conventions, and correct usage, the oral presentation of technical reports, the mathematical analysis of experimental errors, the graphical presentation of data, statistical methods, and the method of dimensional analysis. The appendixes give symbols commonly used in engineeringreports; conventions; and references. There is a general subject index. The material is handled in a most practical manner; the discussions of the simpler mathematical and graphical methods by which the experimental data may be correlated, analyzed, and presented, are valuable additions t o the work. Noteworthy features include the application of the method of least squares, a critical analysis of effects of experimental errors, the derivation of correlation coefficients,the estimation of the proper size of sample that must be taken to represent the lot with reasonable accuracy, the special applications of logarithmic, semilogarithmic, and probability cross-section paper, and the construction of nomographs. FATIGUEOR WORKERS.ITSRELATION TO INDUSTRIAL PRODUCTION. Committee on Work in Indlrstrv o,f the National Research Council. Reinhold Publishing Corporation. New York City, 1941. 165 pp. 15 X 23 cm. $2.50.
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Prepared by the Committee on Work in Industry of the National Research Council, this volume contains the findings of this group with relation to fatigue of workers, and as such should be of value to every business man, executive, personnel director, or student of industrial relations. The story tells of the methods of investigation used to lead t o conclusions concerning physiological and psychological conditions affecting the efficiency FAREO. NO%=DILXOT* of workers. Since the body can adjust itself to ordinary changer in industrial conditions, no single factor in work can be identified as fatigue. A study of the relationship between social and techTEACnlNG OR SclENcR IN THE SCHooL. Ma.iaric nical organization of the plant, and their slow and rapid reaction Nave Woodring, Associate Professor of Education. Teachers to change, respectively, gives suggestions for more harmonious College, Columbia University; Mewin E. Oekes, Instructor conditions of work, in Biology. Queens College of the City of NewYork; andH. Emmett Brown, Teacher of Science, Lincoln School, Teachers College. Columbia University. Second Edition. Bureau of GLASS: THE MAgER. ITS TECHNOLOGY~ APPLICATIONS.C. I.Phillips, Corning Glass Works. Pitman publications, ~~~~h~~~college, columbia university, N~~ Publishing Corporation, New York City, 1941. xii 424 pp. York City, 1941. xii 402 pp. 15 X 23 cm. $3.25. 207 figs. 15 X 23 cm. $4.50. A thoroughly revised and much enlarged source book of maAccordiw to the author, this book is intended "primarily, but terials and oublications relatinr t o science and science teachine. not exclusi~ely,for the architect, the civil, mechanical, electrical ELBEKTC. WEAVE; or chemical engineer, the industrial designer, or other industrial B-=BY Hroa Scaoo~ HABTFORD. CONNBCT~CVT executive--in short, for those who may see in glass a unique and versatile material. interstine " in its own rieht. - . and full of unexplored possibilities for creating products and improving producWE NEEDVITAMINS. WHATARE THEY? WRATDO THEYDO? tion methods." Yet the language used is simple and underWalter H. Eddy, Ph.D., Professor Emeritus in Physiological standable, and the hook may he read with profit by those who Chemistry, Teachers College. Columbia University, and have only a general interest in the subject, and do not wish to Gessncr G. Hawlcy, Technical Editor, Reinhold Publishing apply the information to particular problems of their own. The Corporation. Reinhold Publishing Corporation. New York volume covers the history and technology of glass making, from City, 1941. 102 pp. 12.5 X 18.7 cm. $1.50. earliest davs to the oresent.. eivine - the chemistni. mechanical and An authoritative, yet easy-to-read book an the vitamins, writ- physical properties of glass, handling of materials, and details of ten simply, and designed primarily for the general reader. The glass working up to the final inspection of the finished product. latest values of the vitamin content of foodstuffs are given in Part 11, which deals with applications of glass, tells of its uses in handy tabular fornsummary which should prove practical architecture and building construction, in the home, in electrical for determining daily needs of the proper vitamin foods. There transmission and communication, in illumination, in manufacis very little chemistry, in the way of formulas or structures, in ture, in science and research, and in fiber glass. The b w k is thorthe hook, because of its elementary treatment of the subject. oughly and strikingly illustrated throughout.
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