BOOKS carefully the first chapter o n units and dimensions. These are self-consistent "Before tackling t h e individual throughout t h e book, b u t differ somechemical engineering operations, it is what from m a n y American texts and important to stress tlie general mecha- literature articles. For example, the nisms which are found i n so many of "foot-pound-second" system is used, the operations." T h i s statement in the wherein the poumdal is t h e basic unit preface summarizes "well the basic ob- of force. Pipe friction effects a r e corjective of the n e w book, '"Chemical related b y m e a n s of the dirnensionless Engineering," by t h e English authors, factor R/u2 (where R is t h e resistance J. M . Coulson a n d J. IF. Richardson. to flow per unit area of pipe surface); The-subject matter i s then divided into this factor is one-half t h e familiar Fantwo volumes. Volume I ( n o w avail- ning friction factor. Another signifia b l e ) presents t h e fuxidamentals of cant difference is the use of the symbol diffusion, fluid flow, a n d heat transfer. "G" for "ma.ss rate of flow,"' having the Volume I I (in preparation) will "show dimensions mass per u n i t time. In how these theoretical foundations are American literature this symbol i s used applied in t h e design of individual almost universally for "mass velocity," units" in the chemical industry. or mass rate of flow per unit cross secComplete separation of theory and tion. These differences are likely to practice is, of course, undesirable in create some confusion for the reader the teaching of engineering subjects, who does not study the entire text, but and this is well recognized by the uses only parts o f it for reference. authors. A large nunïber of worked This book is a. welcome addition to examples are included in t h e text to the literature of chemical engineering. illustrate the practical usefulness of Revision of s o m e of the units to corremathematical relationships a s they are spond with t h o s e generally used in this developed. Solution o f engineering country should l e a d to wide adoption problems " b y systematic methods as a college text, both i n graduate and radier than by inttxitioxi" is stressed. undergraduate courses. I t is t o be Recent developments ira the literature hoped that Volume I I will b e pubare summarized a n d correlated clearly lished soon and that it will live u p to and concisely, as w e l l as the basic con- the high standards set by the present cepts upon which t h e science of unit volume. operations rests, w i t h pertinent literaChemical Engineering* V o l . I. Fluid ture references carefully enumerated Flow, Heat Transfer and Mass and annotated. T h e result is a most Transfer. J. M . COULSON ANX> J. F. explicit up-to-date textbook for the RICHARDSON. viii -f- 370 pages. teaching of unit operations' fundamenMcGraw-Hill Book C o . , 330 West tals, long needed in this field. 42nd St., N e w York, Ν . Υ. 1954. NTotable features of t h e book include $7.50. Reviewed by R. B. JELINEK, the excellent chapter on the boundary Syracuse University. layer, use of m o m e n t u m balance concepts in the t r e a t m e n t of this and other fluid flow problems, a n d inclusion of NEW B O O K S . compressible fluids a n d supersonic flow phenomena in t h e chapter on fluid B. M. W . TRAPNELL. flow. The fundamental thermody- Chemisorption. vii + 265 pages. Academic Press, Inc., namic approach is stressed throughout, 125 East 23rd St., New York, Ν. Υ. showing empirical correlations in their 1955. $6.80. proper light as outgrowths of assump- Treats velocities of adsorption a n d deequilibrium at surfaces, heats tions and simplifications based on fun- sorption, ana mechanisms of adsorption, a n d the damental theory, r a t h e r than ends in mobility of adsorbed layers. Includes how chemisorption can contribute to the themselves, T h e text i s liberally illustrated with understanding of heterogeneous catalysis. good diagrams and photographs. These Applied Mass Spectrometry- vii -f- 333 are quite helpful t o t b e reader, parpages- The Institute of Petroleum, 26 Portland Place, London, W.l, England. ticularly in t h e chapter on p u m p s and 1954. 1/F 2-10-O. # the section o n h e a t exchanger design General applications, specific analytical and construction principles. Inci- applications, mass spectrometry applied dentally, in covering ttiese two prac- to fundamental problems, mass spectrom tical topics, the authors have made a eter instrument developments, and com substantial contributions, to the pres- puting methods for mass spectrometry. — ~ently inadequate treatment in most Principles of Emulsion Technology· PAUL BECHEB. ix -f- 149 pages. Reinhold unit operations' texts. Publishing Corporation, 430 Parle Ave., T h e book is not, however, without New York 22. Ν . Υ. 1955. $2.95. some disadvantages to -American read- Dispersions and emulsions, surface ac ers, who should b e cautioned to note tivity, theory of emulsions, chemistry of Base of Chemical Engineering
V O L U M E 3 3, N O . 1 7 ·
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1955
emulsifying agents, emulsification equip ment, testing of emulsion properties, emul sion formulation, arid demuîsûication. Electrolyte Solutions: The Measurement and Interpretation of Conductance,. Chemical Potential and Diffusion in Solutions of Simple Electrolytes. R. A. RoBEsrsoisr AISTD R. H. STOKES,
xiii -\-
512 pages. Academic Press, Inc., 125 East 23rd St., New York 10, Ν . Υ. 1955. $9.50. Diffusion i n electrolytic solutions is treated at length because diffusion provides a link between conductance and free energy studies. Includes concentrated solutions, and experimental methods and results. A Company Guide to the Selection of Salesmen. MILTON M. MANDELL.
161
pages. American Management Associa tion, 330 West 42nd St., New York, Ν. Y. 1955. $4.75. Tells how industry is currently attacking t h e problem of salesman selection and second, furnishes a guide for those com panies interested i n reviewing present selection methods or developing new ones. Biochemistry of the Aminosugars. P . W . ΚΕΝΓΤ AISTD M. W. WHTTEHOUSE.
ix -f-
311 pages. Academic Press, Inc., 125 East 23rd St., New York 10, Ν . Y. 1955. £6.80. Sorveys the biochemistry of mucins and other aminosugar-containing substances and includes a consideration of their rjtetabolisin and of the enzymes which act on them and their derivatives. NOmography and Empirical Equations. DALE S. DAVIS, v i -f- 236 pages. Rein-
hold Publishing Corp., 430 Park Ave., New York 22, Ν. Υ. 1955. $6.75. Treats correlation of two- and three-vari able data, and theory, detailec /orking directions, and practical illustrations in connection with the design and constniction of elementary alignment and line coordinate charts. Paperbound
ASTM Standards on Mineral Aggregates, Concrete, and Nonbituminous Highway Materials.. Sponsored by ASTM Com mittee C-9 on Concrete and Concrete Aggregates, ASTM Committee D-4 on Road and Paving Materials, xi -J- 339 pages. American Society for Testing Materials, 1916 Race St., Philadelphia 3, P a . 1954. $3.50. The Production and Use of Technical Reports.
BERNARD M. FRY AND REV.
JAMES J- KORTENDICK, S.S.
vii -f-
175
pages. The Catholic University of America Press, Washington 17, E). C. 1955. $1.75. Proceedings of the workshop on the pro duction and use of technical reports, conducted at the Catholic University of America from April 13 to April 18, 1953.
Chemical Characteristics of Delaware River Water, Trenton, N- J. to Marcus Hook, F a .
C . M. DURFOR AND W . B .
KEIGHTON. Geological Survey WaterSupply-Paper 1262. Prepared in co operation with the city of Philadelphia. May be obtained from the Superintend ent of Documents, U. S. Government Printing Office, Washington 25, D . C. for 70 cents. 1805
