No coin nor oath required. For personal study only.
Street, W.C. 1, tlic subject being I' H~iiioglobin." Tlic Physicnl Socicty 'of Loiiclon and tlic Optical Socicty liatl invitctl tlic atkndaiicc of Fcllo\vs at tlic nniiual cshibitioii of scientific apparatus to bc licltl on Ja,niiary 5, G, and 7, at the Impcrial Collcgc of Sciciicc and !L'ccliiiology, South lieiisington, S.\V. 7. Tickcts could bc obt.ained from tlic Assista.iit Sccretary, who would n.lso rcceirc application8 for copics of tlic Abstracts in Purc Cliciilistry ( I ' A ") for 392G, printcd on one side of tlic paper only, and guiiiiucd or ungunimcil. The price to Pcllo~vs 1vould bc f3, post frcc.
Apart from social iiitcrconrsc, jntcrcst wns cliicfly ccntrctl arountl Dr. 0. Silbci-rncl's csliiliit, ail iniprovcd form of nit.roiiieter from wliicli thc gm can bc removed w-itlioiit contamination with air from the clcliwry iiozzle of the tap, and Dr. H. A. Dajiics'
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## CHEMISTRY AND INDUSTRY 8Q5 been found to give about 95% purification of bcct sugar effluents, thc product being satisfactory for disposal in a river. Gas wor11s' liquors could also bc treated by the bacterial filtcr method, but i t was rather espensive owing t o the short life of the filters. T
## I,ec. 12, I030 nkliorrgh it sonictinics nppciircil thnt nn nnnlyst wns doing usclcss work, tlicrc was often somctliinp vcry useful nnd ncccssnry behind i t all. Dr. J. C h i n k plcndcd for improvcd nicthods of tcaching nnnlyticnl clicmistry, so that thcory and prncticc should be properly co-o