C+LUE AXIJ GtuE ' ~S T I S G . By SAJIUEL RIDEAL, D.Sc. Third cdition, revised and cnlargcd by H. B. S ~O C I ~S , F.1.C. Pp. viii+2G4. London : Scott, Greenwood CFC Son, 1996. l'ricc 12s. G d .
Xi. Stocks is to bc congratulntcd on liaring rcvisccl this boolr in such a nianiier as t o niakc a nc\v book of it. JIucli of tlic t e s t lias been rcwittcn and tlic addition of orcr sisty pages lias pcrruittccl thc rcviscr to h i n g tlic worli rcasonably up-to-date. So iuucli new iiiattcr lins bccri incorporatcd that one rcgrcts all thc inore that grcatcr clfort had not bccii mnde, espccially in tlic section dcvotcd to tlic tcsting of glue, wlierc no inciitioii is madc of i~lctliods for thc deterininntion of hydrogcn-ion conccntratioli. Sonic of tlic mctliods and descriptions of instrumcnts might wcll liavc bccn cscludctl and tlic spacc iitiliscd for tlic inclasion of modcr~i iiistruiiiciits, cspccially viscosiiiictcrs, ncitlicr tlic Couctte nor tlic 3lncl\Iicl~acl viscosimctcrs licing mcntioncil.