Manowitz; High Vecuum Technology by G. A. Sofer and H. C. Weingartner; Separation by Adsorption by T . Vormeulen; and Mixing of Solids by S. S. Weidenbaum. As before, all are excellently written reviews; figures and tables are used generously; and t h e review is concluded with a table of nomenclature and a lengthy list of references. We hope t h a t these volumes can appear annually t o t r y t o cover more ~ompletelythe hroed field of chemical engineering. KENNETH A. KOBE
UNIVER~ITY 08 TEXAS Ans~m.T e n s
FILM FORMATION, FILM PROPERTIES AND FILM DETERIORATION Edited by Charles R. Bragdon. Interscience Publishers, Inc., New York, 1958. xv 422 pp. Many figs. and tables. 16 X 23.5 cm. $9.75.
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WHAThappens during the lifetime of a paint film? This book, written for the scientists of the organic protective eoatings' industry by members of the Research Committee of the Federation of Paint and Varnish Production Clubs, gives answers which reflect the present status of knowledge. There is a great deal of data, description of experiment, discussion of ~ s u l t s ,but little definitive knowledge t o pass on to the non-specialist in summary form. W. F. K.
ADVANCES IN PROTEIN CHEMISTRY. VOLUME 12 Edited by C. B. Anfinsen, Jr., National Heart Institute, Bethesda; M. L. Anson, Cambridge, Massachusetts: Kenneth Bailey, Cambridge, England; and John T. Edsall, Cambridge. Massachusetts. Academic Press. Inc., New York, 1957. x 687 pp. Many figs. and tables. 1 6 X 23.5 cm. $14.
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THE current volume in this well-known series is equal to the high standards of preceding volumes. As usud, each article is written by one or more of the outstanding research workers in the field, and consists of a summary of early work rand a. thorough, detailed presentation and analysis of the recent developments. I n many cases, modern techniques are described, and the results and significance of the use of these techniques arc discussed in cansidera.bl.ble detail. Sufficient eaperimental data are presented t o allow the reader t o evaluate for himself the validity of eonelusions and interpretations. An extensive bibliography is given at. t h e end of each article. The volume concludes with thorough author and subject indexes. (Cmlinued on page A5701
JOURNAL OF CHEMICAL EDUCATION
