Joseph Priestley: Scientist, Theologian, and Metaphysician (Hiebert

is masonably successful. Those wishing ta use it as a text should realize, however, that it may not work well in the framework of either of the approa...
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is masonably successful.Those wishing ta use it as a text should realize, however, that it may not work well in the framework of either of the approaches cited earlier. It is this reviewer's recommendation that any attempt to adopt this text be accompanied by a s e r i ~ ous reconstruction of the cow&) in which it will be used, so as to match the philosophies of text and course(s). The hook is divided into three parts. Part I, Stage Operations, achieves some unification of the operations of distillation, liquidliquid extraction, and leaching. Also encountered in this portion of the text is a problem which recurs more noticeably in Part 11. The authors generally prefer to develop a general treatment, a t the sacrifice of physical

thesis: Priestley's ultimate failure, I submit, had the same mots as his earlier successes. Neither relate simply to an u n derstanding of the concepts or the techniques of analytical chemistry-ur to their lack. Both derive from a too sophisticated endeavor to answer questions that his contemporaries were not asking, with concepts so antique they would not again be modern fur nearly one hundred years. The book is well documented and, together with the indispensable Partington, it provides an excellent entry to the extensive Priestley IiLerature. MeEvoy's important articles, however, appeared too late for inclusion.

(4) "Unit Operations of Chemical Engineering," MeCraw-Hill, 1956, 1967, 1976 (5) "Unit Operations," Wiley, 1950 (6) "Chemical Engineering," Pergamon, 1954,1964,1977 (I) "Transport Phenomena," Wiley, 1960 (8) "Momentum, Heat, and Mass Transfer," McGraw-Hill, 1962,1974 (9) "Fundamentals of Momentum, Heat and Mass Transfer," Wiley, 1969

J o s e p h Priestley: Scientist, Theologian, and Metaphysician a special ease of Ponehon-Sa&t design methods. In Part 11, ~ o l e e u l a rand Turbulent Transport, this tendency is stronger. The authors first develop a general treatment of the transport process. For students who have never studied momentum or heat or mass transfer, this can be very mystifying. On the other hand, it is certainly more efficient than either of the other approaches, if it can be made to work, and experienced engineers should find it quite interesting. In particular here, the earlier caution about matching course and text is extremely important. Special efforts must be made to compensate for the students lack of prior experience through lectures, recitation, auxiliary reading, and homework. Any temptation to hurry this material should be avoided.

unit operations approach. I t makes up more than half the book, and effectively covers, in conventional fashion, a good variety of traditional topics in chemical engineering aperations. Bv com~arisonwith the first edition. the

Derek A. Davenport Purdue University West Lafayette, IN 47907

Erwin N. Hieberf. A. J Ihde. and R. E. Schofield. Bucknell University Press. Cranbury, NJ, 1980. v 117 pp. 21.5 X 14 cm. $12.00.

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In his recent study of Edmund Burke, Isaac Kramnick writes: The dissenters played a central and crucial role in scientific and political innovation as well. This is hest personified in the career of Joseph Priestley, who more than anyone else qualifies as the principal architect of bourgeois England. Priestley studies are flourishing (a price^ Priestley Newsletter is published in Aberystwyth) and only a fraction of these center on Priestley as chemist. The present book, a rather belated outcome of a 1974 symposium, is described precisely hy its title. Though there is some overlap, the three essays discuss Priestley's historical theology (Erwin Hiebert), science (Aaron IhdeJ and metaphysics (Robert Schofield). For the common reader of this Journal, Erwin Hiebert's article is the most remote and ~ossiblvthe least satisfsctorv. There is < y r t , 2 >1 ~, ~~ ot k (:ww. t3nclp.13~:t;e-- w 1) ri. In hi- ~ . n , p h ? + .t? thc i.rlrn.ltln1,hut i t rlw> ulrrrd weaIt11 111 imll~rinlillrIh( i~-.(.ckllld .I t\,~nt,inatiw