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JOURNAL OF CHEMICAL EDUCATION
vegetable tanning materials, 17voltaic cells. Most of the sketches given have been carefully executed and well printed, but a few such as those on page 424 do not come up to the standard set for the rest of the book. Four of the six graphic representations of prisms shown on page 591 are wmng or misleading, namely, the rhombic, triclinic, triganal, and the monoclinic. The same criticism holds true for the pyramids represented on page 602. I n looking over the pronunciations given in this dictionary the reviewer was struck with amazement that he, as well a s a number of his colleagues, had been mispronouncing so many chemical terms. He felt better, however, when he discovered that Webster had also erred in a great many instances. The fact is that we have as yet no standard chemical pronunciation in the English language. What is proper to one sounds ridiculous t o another. I n spite of what bas been said, Professor Hackh has done very well indeed. He has so simpliiied the diacritical marking systems that there is only a macron left. With this macron, together with t h e , "alphabetical sounds," he has accomplished marvels. His simpl6ed system of pronunciation is best explained in his own words: "The key to the pronunciation is the alphabetical sound of the letters. A vowel standing by itself, or a t the end of a phonetic qyllahle, has its true sound. Any change in that sound brought about by the collocation of consonants to form the phonetic pronunciation, is corrected by a short stroke (macron) over it." He says that in phonetically spelled words, "syllabilization has been disregarded." The following key t o pronunciation appears a t the foot of every page: "ba, la, etc., as in day; bah, lah, etc., as far; bi, ti, etc., as mite; bu, du, etc., as you; to, do etc., as go; doo, loo, etc., as boot; 61 = pole; ol = doll; al = alley; awl = fall; %I = pale; Fl = feel; il = file; 13= mule; g is hard as in got!' The following words are quoted t o illustrate inconsistencies and variations in pronunciation:
MARCH.1930
fluorine ($00'-or-6n), chlorine (klol-76%) bromine (bro'min), iodine (2-o-din) alanine (GI.'-en-in), (sis'-tkn) .. cvstine . leucine (lu'sin), lysine (li'-szn) histidine (his'tid-in), lamine (la'-min) i l l ( ' - t i ; -tril), henzonitrile (benso-nil-t&) pyridine (pi'-&in) propenyl @ro'-firn-2). hismuthyl (bidmuth-il) pemutite (per1-mu-tit), cinnamyl (sin'. am-il) fumaryl (fir'-mar-il) crotonyl ( k d t o n i l ) , h g s t r 8 m (angstrew) tolane (tol'-an) phenolphthalein (fe-noLt1ur'-le-in) This list could be expanded t o great length but enough has been given to show the need of standardization. It will also be noticed that the author uses no secondary accents nor does he distinguish hetween the tilde, circumflex, and breve sounds. Without es~eciallvhunting- for missing words, the reviewer noted that the following were absent: dehydrite, sore1 cement, rhenium, h u n k acid, isamic acid, camaubony. .ohenylthiohydantoic acid, fluoplum. bic acid, chlorazide, vanadol, hydrolith, Abb6 refractometer, Knoor alkalimeter, Victor Meyer and Menzies molecular weight apparatus, Jones reductor. Regardless of the above adverse criticisms, the reviewer feels that Professor Hackh has produced the best and most serviceable dictionary of its kind in the English language. It is surprisingly complete, and the workmanship is excellent. Only two minor typographical errors were discovered, and the reviewer takes off his hat to Blakiston's Sou and Company, Inc., for having given us a well-nigh perfect product of so difficult a piece of printing. C. A. JACOBSON W~ST V ~ O I N IUNIY&=SITY A MORDANTOWN, W. VA.
Experimental Physical Chemistry. FARRINGTON DArurrlLS, Ph.D., 1. HOWARD MATREWS,Ph.D., Professors of Chem-
VOL.7, NO. 3
RECENT BOOKS
istry, and TOFIN WARRENWILLIAMS. Ph.D., Assistant Professor of Chemistry, all of the University of Wisconsin. McGraw-Hill Book Co., Inc., 370 Seventh Ave., New York City, 1929. 475 pp. 20 X 14 cm. 131 xvi figures. .W.50.
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Chemistry. Phase-Rule Studies. Chemical Equilibrium, Reaction Rates. Electrical Conductance. Electromotive Force, Electrometric Titratious, Electrode Phenomena, Capacitance, Electrochemistry of Gases, Radioactivity, Photochemistry. Each experiment is outlined as follows: Theory, Apparatus, Procedure, Calculations, Practical Applications, Suggestions for Further Work, References. The reviewer is especially pleased with the indusion of the somewhat unusual fifth and sixth items. The references are abundant and well chosen. Since "Experimental Physical Chemistry" is a rather ambitious work, one may inquire why a chapter on "Errors" was not included. Appreciation of the actual value of experimental data is something that any laboratory course in physical chemistry must aim t o develop. I n conclusion the reviewer wishes to congratulate the authors on a really excellent piece of work, t o recommend i t most heartily to all teachers and advanced students and t o beginners as a verx valuable reference manual to own. MALCOLX M. HARING
"This book purposes to illustrate the principles of physical chemistry, to train the student in careful experimentation, to develop familiarity with apparatus, to give the student confidence in using physical chemical measurements, to encourage ability in research. Some of the experiments are new, some are based on researches described in the literature, and some are classical." The reviewer feels that the stated purposes of this book have been met very successfully. He does not feel, however, that this is quite the laboratory manual for students who are taking physical chemistry for the first time, unless accompanied by mimeographed instruction sheets. Under these conditions i t would be excellent. For more advanced students and as a general referenee book it could scarcely be improved. The reason for the UNIYHRSI~; OP MARYLAND restriction named is that beginning stnCOLLBOG PARK, MD. dents usuallv somewhat more . reauire . explicit directions than are given. In Modem Scientific Knowledge of Nature, short the reviewer differs with the authors Mall, alld Society. FREDERICKA. in believing t h a t for beginners it is wisest CLEVELAND, Ph.D., LL.D., Professor of to use the imperative. United States Citizenship an the MaxThe book is divided into three parts. well Foundation, Boston University; Part I describes 78 laboratory experiformerly Director of Bureaus of Municiments; Part II describes the wnstruction pal Research, New York and Philaand use of a very wide variety of physical delphia; Chairman of President Taft's chemical apparatus; and Part III deCommission on Economy and Effiscribes the very important miscellaneous ciency, etc.: author of "Growth of operations of the laboratory. There are Democracy in the United States," also tables for correcting a barometer for "Railroad Promotion and Capitalizatemperature, vapor pressure and density tion;" "Chapters in Municipal Adtables for water, and a four place logarithm ministration and Accounting;" "Ameritable. The "Comments Concerning Lahocan Citizenship," etc., with Collaboraratary Work" are short and very much tors. The Ronald Press Company, to the point. 592 pp. New York, 1929. xxvii The laboratory experiments fall under 14.5 X 21 cm. Illustrated. $4.50. the following chapter headings: Gases, This curious book has a number of good Liquids, Optico-Chemical Measurements, Solutions, Thermochemistry, Colloid points and a number of bad ones. Its
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