Aug., 1952.]
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solved numerical examples, and derivations using calculus notation are given. In the chapters on atomic and nuclear physics, biographical notes and portraits of all Nobel prize winners in physics are included. THE DEVELOPMENT OF SOME MAN-MAI)E FIBRES, prepared by The Textile Institute from the papers presented at its annual conference, 1951. 79 pages, illustrations, 16 ;< 25 cm. Manchester, The Textile Institute, 1952. Price, 12/6d. Tracing in detail the history and development of cellulose-derivative rayons, viscose fibers, and synthetic fibers, this book consists of three papers presented at the Textile Institute's annual conference in 1951. The coverage of the subject is very thorough and well documented, including photostats of original papers and patents, photographs of early machinery and numerous literature references. The book should be of value to all persons interested in man-made fibers, whether in this country or abroad.
GENERAL CHEMISTRY,by H. G. Demiug.
Sixth edition, 656 pages, illustrations, 15 >( 23 cm. New York, John Wiley & Sons, Inc., 1952. Price, $5.75.
First appearing nearly 30 years ago, this standard text has been much improved in its sixth edition. Some of the innovations are: in the table of contents, headings for the descriptive chemistry chapters are indented, for the use of the teachers who wish to rearrange the order of presentation; atomic structure is introduced in Chapter 4; back-paging instructions refer to review material pertinent to the subject under discussion; chapter summaries for the first seventeen chapters have been included; definitions of terms, in small type, appear throughout the text. Among the topics appearing for the first time are new compounds of silicon and fluorine, surface-active agents, and uses for the products of nuclear reactions. DEAD CITIES AND FORGOTTEN TRIBES, by Gordon Cooper. 160 pages, plates, 14 X 22 cm. New York, The Philosophical Library, 1952. Price, $4.75. The author, a veteran traveler, unfolds his experiences in visiting the ruins of long ago cities located in all parts of the world. He describes the cities as they look now, and interweaves the descriptions of actual ruins with thumb-nail sketches of events t h a t took place when the cities were in their heyday. Chapters on these ancient cities are interspersed with chapters on the customs of primitive peoples still living in forgotten places of the world. Covering several continents in space and several thousand years in time, the narrative is necessarily somewhat disconnected; to all appearances, it is also completely subjective, since the author gives no references nor documentation for his statements. However, for those readers who are fascinated by archaeology, the book should be of interest as a travelogue among the lesser known ruins of the world. NOTE: The JOURNAL wishes to note the availability, in paper editions, of the following works, some of which have been out of print for some time. Dover Publications, Inc., New York has reprinted these in paper covers for the student and the working scientist, at a modest price. Cloth bound editions are available, but the prices noted below are for the paper bound editions. MATTER AND MOTION, by James Clerk Maxwell. 163 pages, 14 >( 21 cm. Price, $1.25. Two NEW SCIENCES, by Galileo Galilei, translated by Henry Crew and Alfonso de Salvio. 300 pages, diagrams, 14 X 21 cm. Price, $1.50. CONTRIBUTIONS TO THE FOUNDING OF THE THEORY OF TRANSFINITE NUMBERS, by Georg Cantor. 211 pages, 14 X 21 cm. Price, $1.25. A PHILOSOPHICAL ESSAY ON PROBABILITIES, by Pierre Simon Laplace, translated by F. W. Truscott and F. L. Emory from the sixth French edition. 196 pages, 14 X 20 cm. Price, $1.25. FOUNDATIONS OF HIGH SPEED. AERODYNAMICS, facsimilies of nineteen fundamental studies as they were originally reported, with a bibliography compiled by George F. Carrier. 286 pages, diagrams, 16 2< 24 cm. Price, $1.75.