✍ Scribed by King, G.
No coin nor oath required. For personal study only.
Third edition, enlargcd and revised. T'p. siv + 521. London : Clinpmnn 9G IInll, Ltd., 1929. 25s. This work is the third edition 01 Volunie 11, which has been rewritten and enlarged. It is n prncticrd book containing numerous perfume foritinla but irot much chemical inforinntion. It will apped to the pract.ical porfumcr rather tlinn to tlie chemist. It must be remembered that the important perfume houses do not let their formulnc get into outside hnnils, ancl aiiiongst tlie thousanrls of book-forniulat publislted one cannot expect to meet tliosc of the big perfumers. Porinulit? which are published for perfumes sliould be regarded inercly as indicators to the uninitiated to lead thcm to experiment for t.hhenisclves-or else be content nith tlie srtnic thing as their coinpetitnrs. It is not easy to mdcrstnnd why, in, for example, two formulat on page 79, the l'ntchouli oil in one is t o be Singnporc, and the Vct.iverte oil Bourbon, n~hilst in the other thc Patchouli oil and tlic Vetivcrt oil are to be English. Why sliould, on page SI, tlie tcrpencless oil of petitgrain be Prcricli 1 On page 90 the same oil riiay have nny origin you like. The Iiistorical sketch has been enlarged ancl the book sliould be a l p x i a t e t l by prncticnl perfumers, cs~~ccinlly the smallcr oms, who do not ask for mnch clieinicd inforinntion. The book concltides with a soinaivliat uuusiinl fcnturc. After tho IiicZcx appears what is stated to bc a " Guide to tho Purchase of Mntcrials and Plant." It :tct,uiiIly consists of 1.7 pages of as niany ridvcrt,isers of perfnnte materiais, plant, ctc., and S pages of aclvcrtiscmcnts of ttic books of tlw pt1,lisItcrs. IKDUSTRIAI, CIiEJllSTRY : AX ~STRODUCTIOS. ih ELEJIENTARP TIICATISE FOR wm SrunmT AND GEKERAL READER. 13y E. R. RIISCEC, I'h.D., with the support of n Inrgc nnnibcr of collsborntors.
Tlic prininry purpose of this book is, according to the prcfiicc, t o present in a single volume IL fait.liful picture of tlic nuincroiis conimcrcinl activities which innke up industrial chemistry, wliifst tlic sccond purpose is to proride n tost-book wliicli can bc used not only by students, but also by tlic gcncrel rcridcr (for wlinm supplenientnry jnfornintioii on tlie org:inic side is provitled) with hit slight ocquniiitnncc with cliemistry. Tlie 11oolc is nttructivcly writtcn, nntl, despite the liniitcd spnce, rnnnnges to cover n very wide field. In fact, as fnr ns anyone c:in survey satisfnctorily the inincrnl acids, nlknlis niid otlicr licavy chcmicnls, ccmeut rind ccrimiics, &xed nitrogen, fcrtilisers, fuels, c o d gns, etc., wood distillntion, gliiss, clcctrotlicrrnnl nntl electrolytic products, industrinl gnscs, fcniicirtation processe8, cellulose, sugtir, rind so on tliroiigl~ tlic gnitiiit of clieinicnl industries in sonic 650 pigcs, wliicli, inorcovcr, incliidc sonic 1 ti0 pitgcs tlcvotcd to pntcnts, chcmicnl eeginccring appliaiiccs, control instrumciits, and the oliicf inctnls, tho nuthor lins nccoinplished his tiislt cstreiucly wcll.
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this typc, niid ngiiin provided forninlm iind dnt:i 11poii which snch cnlculntions could bc bnsccl. Sincc its original piibliciition, Iiowcvcr, inucli rcsciircli work hns bccn cnrricil out both on hcnt triinsfcrcncc iind on tlic flow of liquids and gases in pipcs, and it is fitting thnt in this ncw
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