As :I rcsu:t of tlicsc cspcriiiiciits it ivus concludctl tliiit, with this rice nieii! dust in tlie silo, it was silk to hnvc tlic top covcr only one-lliird open; tlic prcssurc of G or 7 lb. pcr sq. in. w i s not sufricicnt to c:iusc any dninagc to tlie silo, aiid w r y little duliiiigc to nnytliing outside tlic silo.
Otlicr dusts, of siinilar cliarnctcr to that of rice uic:il, Iind bceii testcd, nnd tlic prcssurcs produced on csplosioii ircrc fouiid to I)c less in cncli case. Tho iiiasiiiiuiii prcssurcs produccd, wlicii tlie top covering wis one-third opcii, wcre :is follow (in Ib. pcr sq.. in.): ltice meal, 69.; groundnut bran, 5 ; estrnctcd Uuriiia rice mcal, 3.1; sunflower cnltc 11ica1, 3.9; pnlm-kcrucl cake incnl, 2.3; cstractcd pal Ill-kcrncl incn1, 2-2. \Villi tlic less inflaininablc dusts it ~iiiglit bc pcrfcctl?; snfc to hive tlic top of tlic silo open to tlic cstcnt of oiil,y oiic-ninth. JUIS ai, IUYI CHEMlSTRY AND INDUSTRY 6G3 to by tlic mnuagiiig director, A h . C. A. .Hill, each guest was presented with n goodly gift of restorntives to speed him on his wny, and perhaps to help hiin coinbnt the severe if dcliglitful fatigues inseparnblc from nttendnnce n t n 3 ubilcc celebration. South dlctropolittr~~ Gas (20.-On Wcilnesday, July 16, a party of members visitcd the East Grccmwicli works of tlie South bletropolitau Gns Coiiipiiii)-. The ptirty wis received by Mr. E. 1'. IGvniis, joint maiiugcr of tlic coiiipnuy, aiid tlicli procectlcd by mot,or-conch to the jetty, pnssing on its wny tlic gns lioldcrs, first-aid dressiiig station, :iiid works stores. At tlic jetty tlic operation of tliscliargiiig con1 ships and loutling coke ships was csJ,lirincd. S c s t tlic rctort houscs wcrc visited, tvherc dis-c1i:irgiiig of retorts, togctlicr with cokc q\iencliing JUBILEE ?CELEBRATIONS AND FIFTIETH ANNUAL GENERAL MEETING Visits to Works 0 1 1 Tucstltig, Jiily 14, vcry intcrcstccl pnrtics of iiiciribcrs were privileged to iiispcct tho printiug ivorlts uf fire of tlic lcntliiig Tmidoii ncirspnpcrs a i d to scc somctliing of the tillinzing orgnnisntioii ncccssnry to producc the modcrii newspaper. The works visited wcrc tliosc of tho Daily itlail, Daily Ilcrtrfd, Daily Skcfch, Doily Erprcss, niid Daihy 7't:lcyrupli wliosc rcprcseutntives gnvc courtcoils :it tciitioii to tlic pnrtios and nffordcd c v e r ~ fncility for inspecting tlie various opcrntioiis.
Ilrilislr 1 h g Iloirsas, Lid.-Tho lnrge iiuinbor of visitors tlint took ndvnntngc of the liospitnlity oxtciidctl by 3Icssrs. British 1)riig Tlouscs, J k l . to insl)cct their worlcs on July 15, borc witncss, not only to :in ciiligl~tciicd curiosity, but tilso to tlic popui:irlty t d :i 100% 13ritisli firm tli:it litis ncliicved markctl distinctioii in tho prompt npplicntion of tlic lntcst results of scientific rcsenrcli to the cure or nllcvintion of our bodily ills. The mnnufncture of iiisiiliii, of prcpirntions coiitniiiing vitninins-A, -13, mitt -11, i i ~i t l of fluid estract of livcr, is siifliciciit coiifirmntioii of this stntcnicnt; but 13.D.R., ns it is fnriiilinrly callcd, also inaltos n wid0 rniigo of sucli drug8 as cplicdrinc (for liny fever), liydrastiiic, hcsyl rcsorcinol, pilocarpine, niid plicnolphthirlciii; nlso cstmcts, tinctures, ointmonts, cmulsions, nnil n host of highly purified nnnlyticnl roagents niitl chemiculs for rcsenrcli. Although i t took two hours to trnvcrsc the numcrous buildings, timo was too short to study the oxhibite in dctnil, yct it sufficed to givo n good impresfiioii of a inodcrii drug fnctory. One wns struck, first of nll, by tlic vory wide mngc of products prcpnrcd, and by thc grcat diversity of ~~O