No coin nor oath required. For personal study only.
biition on tlic problcm of the nnnlysis of basic slags and thc repmsentntion of their composition in R triangular diagram," by 0. Qundmt. " Thc ningnetometric clctenninntion of the Curie points," by A. Rcgncr. "\'lint Tensons compellecl the Prague ironworks to introduce thin-wnlld blast-furnncrs," by J. Sirck. " Thc effcct of contnrnination by nitrogen on the stnictirrc of elcctric wclds," by L. W. Schuster. " Tlic qunntitiitivc nnalysis of steels by spectrum nnnlysis," by F. Twymnn nnd A. t \ . Fitcli. "Tlie mechanism of the solution of ccmcntitc in cnrbon stccl nnd the influence of hetcrogcncity," by I?. Wnlldow. " Opcn-lienrth furnace steelworks. A compnrison of British a n d Continentnl instnilntions and pmctice," by H. C. Wood. Sept. i7.4ociety of Chemical Industry. Sydney Section. Last meeting of Session. Sept. 29-Oct. i.-Faraday Society. Colloid Cornrnifke. Frce School h n e , Cnmbridgc. Oct. i5.-Society of Chemical Industry. Xerccciatle Section. *' Dry and wet grinding," by Major F. cle Tubman. Oct. 23--24.--Cokc Oren Jlnnngcrs' Awxiation. dnnrcol General X e e t i n g mid Dimer. Hotrl Great C c n t d , London, XW., n t 7.15 p.m. Oct. 24.-Ey tlic courtesy of the South JIetropolitnn Gns Conipnny mciiibtrs of the Asswintion arc to visit the Coinpniiy's Enst Grccnwich 1Vork.s.
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CHEMISTRY AXD IXDUSTRY ## 08G I niii informed tlint U.S. Patents Nos. 1,302,7674, 1~ot.h dntcrl Octobcr 4, 1931, inoy be considcrcct such patents ns you refer to, and thnt sonic drug lioiises nrc licensed undcr tlicin to innkc thyrosinc. An interesting aspect in conncsion with the Vitamin-D quest
## TELEPHONE Sincc thc noticc in thc JOURSAL of August 22 a furthcr chnngc lias conic into force. Tlic Socicty, while rctniniiig thc sainc niiiiibcr, is no\\-attaclicd to a new cschnngc. To call niiy dcpartrnent~ of the Socicty (Sccrctarinl, Editorinl, or Advertising), it is necessary to inquirc
As previously annoiinccd, thc dinner will tnke plncc iindcr tho chnirmtinship of Sir Arthur l~uclahrim, G.U.E., K.C.H., nt tho Connnught R.oom, lJontlon, on Thursday, Novcmbcr 6, at 7 for 7.30, nntl will IJC follo\vcd by (lancing. Tickets, 12s. (id. cnch, csclusivc of wines, m:ry be obtnincd froni M