Technical Gas Analysis (Lunge, George; Revised and rewritten by HR

symbolism. It should be of particular value as providing a means of aligning physical concepts which to the layman have appeared chaatic. It is not to...
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symbolism. It should be of particular value as providing a means of aligning physical concepts which to the layman have appeared chaatic. I t is not t o he assumed that this book will furnish a complete understanding of all modern physical concepts. The author has provided a list of texts for collateral reading, both general and by chapters, for those who desire more detailed and comprehensive information. I n addition, there is a set of questions, both quantitative and qualitative. for each chapter. CHARLESG. E I C ~ I N UNIV~SL OFTMARYLAND Y COL,,BO& P*.K,

M*RYLAND

P~hcrlcnr. EVERYDAYCHEMISTRY. H. Bcnnett, F.A.I.C., Editor-in-Chief of The Chemical Formulary. The Chemical Publishing Co., New York City, 1934. xv 305 pp. 14 X

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21 cm. 8.00.

This book aims t o formulate or give the method of preparation of anything one may ever be inclined to use, whether or not it involvks the incorporation of substances usually classified as chemicals. The author stresses the point that the book is exclusivelv practical and presents no theoretical considerations of any kind. It is written in formulary style and treats of every subject from "Absinthe, English" to "Zinc, Coloring Die Cast." The material included is so all-embracing as to he of interest and use t o everyone from the kitchen, garage, or laboratory worker t o the large-scale chemical manufacturer. The nineteen chapter beadings are: Adhesives; Agricultural and Garden Specialties; Coatings, Protective and Decorative; Cosmetics and Drugs; Emulsions; Food Products. Beverages and Flavors; Inks, Carbon Paper, Crayons; Leather, Skins and Furs: Lubricants. Oils: Materials of Construction: Paoer: ~hot'ography; plating; 'polishes, Abrasives; Rubber, Plastics, Waxes; Soaps and Cleaners; Textiles and Fibeis; Miscellaneous; and Tables. It is the opinion of the reviewer that the author bas assembled an excellent collection of formulas, of which many have been modified t o the best up-to-the-minute practice in their particular fields. The material is well indexed and organized. The author not only presents a wealth of practical concoctions, but also in many cases adds sufficient descriptive matter t o enable the reader t o estimate the limits of their utility. On the whole, the book may be said t o be a first-class reference to those things which are usually passed from one laboratory worker to anather but are scarcely ever found in standard texts. M. H. DASKAIS

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THBUNIVBIISITY OP Cmcbw cmc*ao, ILLINOIS

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field of science, issued since 1920 by the National Research Council. Its scope has been broadened t o cover all fields of study; and that there may be no break in the statistical record, the dissertations in the field of science have been classified in the same subject groups used in the N.R.C. series, those for other fields being selected on much the same basis. For greater convenience, the list has been arranged in seven main divisions: Philosophy, Religion, Earth sciences. Biological sciences, Social sciences, Literature, and Art. While the arrangement is an arbitrary one, it follows in a general way the organization of American universities into divisions and departments, and the 6nding of material is further facilitated by an Alphabetical Subject Index and an Author Index. The preliminary chapter gives an extensive record of previous thesis lists, annual lists of doctoral dissertations in progress, miversitv nublications abstractine dissertations c n ~ ~ e n t lstatistical v. tablebs&ing doctorates in sc'eence according to subj&i, 192534, and distribution of doctorates for 1933-34 by university by subPerhaps most useful of all to the reference librarian is a table showing the present practice in all universities whose theses are listed, as t o the publication and loaning of their own dissertations. TECHNICAL GAS ANALYSIS. George Lunge, Ph.D., Dr. Ing. (KC.)-Revised and rewritten by H. R. Ambler, Royal Arsenal, Woolwich, England. D. Van Nostrand Company, Inc., New York City, 1934. xvi 416 pp. 138 figs. 15 X 23 cm. w.00. Lunge's well-known text, now revised and rewritten in English by H. R. Ambler, amply covers the methods of technical gas analysis. After a portion devoted to general technic, the book takes up (gas) volumetric, titration, gravimetric, and physical methods of analysis. This is followed by a section on special methods for individual gases. The last section covers the analysis of gases produced on the large scale, such as coal and producer eases.. and eases encountered in a d d and alkali manu-eases. . flue .. fa~,ture. The material is well arranged, clearly antten, and w l l illustrated. It should prove a must uicful manual for tlw terhnicsl gas analyst. I'or use in the r n i t r d States, the t c n might have been improved by a greater attention to natural gas analysis. The text might well b e used by students in institutions where instruction in gas anslysis is given. Mr. Ambler is to be congratulated an the excellence with which he has brought out this Lunge text. C. J. ENGELDER

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THBUNIYBBSIN OF PITTSBVBOB PIITSBURGB,PBNNSYLV*NI*

HANDBOOK OF CHEMISTRY A ~ PBYSICS. D Charles D.Hodrman. Editor-in-Chief. ~ i n e t e e n i hedition. Chemical Rubber Publishing Co., Cleveland, Ohio, 1934. xiv 1933 pp. 10.5 X ~ S16.5 cm. $6.00. The nineteenth edition of this well-known handbook is larger by 115 pages than its predecessor. To facilitate ready reference same minor rearrangements of subject matter have been made and the book has been divided into five sections. Each section is preceded by a colored, heavy-paper index page bearing the section table of contents. The five main sections are as follows: Mathematical Tables: Pro~ertiesand Phvsical Constants: General Chrmical ~ a b l ~ s . ' ~ p e cGravity kc a n i Properties of Matter; Heat and Hygrometry. Sound, Electricity and hlagnetism. Light: Quantities and Units, hfisccllaneous Tables. Among the new tables of particular interest t o chemists are: X-ray Crystallographic Data (43 pp.); Thermodynamic Properties of Refrigerants (14 pp.); Vapor Pressure of Carbon Dioxide (1 p.); Solubility of Ammonia in Water (1 p.); Deming's Periodic Table (1p.); and various mathematical tables. Older tables which have been revised and enlarged include, among others: Physical Constants of Minerals (18 pp.); Specific Heat of Elements (3 pp.); Indices of Refraction (13 pp.); Electromotive Force Series (3 pp.); Density and Specific Gravity of Gases and Vapors (2 pp.); Melting and Boiling Points of the Elements (1 p.); Viscosity of Water (2 pp.); Solubility of Gases in Water (2 pp.). Orm R s w m ' r n 0

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DOCTORAL DISSERTATIONS ACCEPTED BY ERICA AN U ~ E R S I 1933-1934. Edited by Donold B. Gikhrist. Compiled for the National Research Council and The American Coundl of Learned Societies by the Association of Research Libraries. The H. W. Wilson Co., New York City, 1934. xvi 88 pp. 17 X 25.5cm. $1.00postpaid. AU dactoral dissertations accepted by American universities during the past year, in a single list, was the objective of The AP sociation of Research Libraries in planning this publication. No list of similar scope has previously appeared for American dissertations, although complete lists for French and German miversity dissertations have been published annually for many years. The fact that of the 2630 dissertations caprising this list, only 966 were categorically required to be printed by the universities accepting them, and another 698may or may not be printed either in full or in part, indicates the incompleteness of lists of prinfed theses. It is now almost a universal practice t o file full manuscript theses in duplicate, and t o make copies available through interlibrary loan. For this reason the list fills a real and growing need to libraries. I n form, it is very similar to, and continues the annual list in the

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