I177 ~ ~~ technology. he ~v i i s tlieiiiitlior uf iiii nrticlc on ' I 1)yeiiig " iii tlic Ifncyclopicrliii I$ritnniiicii," niitl hia test-lioolc on the "1)ycing of 'L'cxtile l~irbrics" way trnnslatcil iiito Gcrmnii, Ituliun. nnd Jiipaiiese, nnd forms n stnnilnril work on the siibject. Ile iilso nctetl us colleboriitciir in Ciusritv ICgcr's **English -Gcriiiiiii Teclinologicnl Dictionary." I'rof. Iluiniucl w i s ii ineinlicr of the Seirntc of tlic Porkshire College. 111 les;, ns n meiiibcr of

more »

... e ('omniitteo of the Ilcpiirtmciit of C'bcmicdl rtud Allircl Jiitlustrics, of tlio Iloynl Juliilee Ihliibitioii of Jlnticlic.stcr, lie niiide ii collrctioii of cnlico prints rcprcrenting the iidviiiice of the iiidiistry of cnlico printiiig tliiritig the centi:ry. fle iiIw officiiiteci iis h i t i 4 1 juror in the 1)cp:irtment of Testile Fubrics iit the last l'ciris lkliiliitioii. Por tlir last two yeiirr Prof. Iluiumel hiid bteu siiffcring from diiibetcr. Ilc had spent the iuoiith of August with liis wili! and fiiiuily iu .irriiu, niid subeeqiieiitly weiit to visit his brother-iu-ha. A h . Jiw. Xuir Siiiipsoii, in GIn~gow. lIcre he siiffcrcil II relapse und 11. O d . C1iciii.-&it., 26, [71>, 819-893. Ttiv iidditioii of cnlciiim ciirbouute, either iu solutioir .ux bieiirlionatc, or in tlic solid fom, grcutly diiuinislied the iiinoiiut of iroii dissolved liy the iiiiigne~iuiii salts. Itciictioii occurs between tlic cnlciuiu ciirbo::ntc niid the iiinguesiuw s d t , with production of ciilciuni snlt :~ud iiiagnesiuiii citrbinntc iind hydroside, tlic In3t of wliicli tciiils to Iircvcnt the rextion meiitioiied ubove froiii proceediug iii the direction friiiii left to riglit. AII uiuoiiiit of calcium carboiintc cqiiivii-Jciit to fiat iuorc tlino II qiiiirkr of the ni:ignesium ~iilta prcseut suitices to prevciit nltogcthcr tho solutlou of iron. Su!t Solrrtiws ; U~~?rc~uiour of --. fnwurct COp)r)Cr, unii toicnrtls Iroii iii Iiwseiirr of Copper, 11. 011. C1ieui.-Zeit., 26, [i3], 8-15-&17. A cusrisuxrios of the former research (seo precctling iibstrctct). At 10 utiiiosplicrcs pressure, in ubscuco uf irir, it copper boiler ~v u s iittiickctl, not only by mifpesiuiii cliloridc, Iiut nlso by sodiiiiil chloride, sliile SOI~!UIII sulphido was without iictiou. Ilut the ititiiclc sceiiis to titlie ~i~iice oiily i n tho preseiicu of cuprocis osiilu (from vhicli it ~v n s iiliiiost impossible coiiipletely to cleiiii ilie Iioilcr), for iio evolution of Iiydrogeii took pliice iii iluy of thu espcri. iticiit~, slioiviiig that no dcconjpoeitio:, of wiiter occurred. Tlie presciicc of irou, iii surfiice itpl)rosiiii:itely equnl to tlint of the copper, coiiiplcicly protects the Iiitter iiictiil froiii the nctioii of tliese salts, whilst the nctiou on thu iroii is not iiiore rnpitl tliiiii wlicn tlic irou is exposed aloiie. I h t iiiiilcr thew circiiiiistuuees iwii id iittiicked, not oiily by iii:igiicsiiim siilts, but idso by ciilciuiii chloride, riud by potiissium chloriilu iiiiil siilplinte.--J. '1'. D. -J. '1'. 1). 115'8 JOURNAL OF TEE SOCIETY OF CHEMICAL INDUSTRY, [Scpt. 30.1llor. EXGLISII PATENT. &Ijittg Powders [Satid] utitllhc like ; ilppuralvsfor -. 11. Croisicr nnd E. Thomilie. l'nrig. Ihg. I'iit. 18,661, Scpt. 18. 1901. of tho, air-hlnat tubea, nod this, plnying upon tho clinker formed during the blow, breaks it up, the stcnni being coilverted into water-guy. The gases formed dining this pnrt of thc process pnvs upcyirds together with some finely-divicled carbon : the Iiitter i d retitined hy the coiiqiiirativaly cool II.-FUEL, @AS, AND LIGHT. ' n i e 1 I i t r t r e -I r~d r o~o r Il'ulcr-Gns Plunt (11 Sligo, Irclutitl. c. 11. Tullv. J. G:is Lichticn. 1902. 80. r204!11.J89-J90. pipe, nud then throu& the Gimc pipe us before into 11 sericr; of ntmospheric conilensers. in aliicli strips of nsbcstos tire ruspended, on which the cnrbon cle~iorrits, unil fioiii which, hy t i jigging urriingcment, it ctin he slinkeii into se:tlecl rcceptncles. opening: in tila lower part of the generutor. 'Ilie prodit& I ewciipe throiigh :I series of nozzles Iiulf-rtiy up the gclierator , , ~'UI.VEIII*XI> w:iste cool, nntlinicire, kc., is mixed with 5 to into II flue bcddetl into the liiiiiig. The 1 ; ;~s~ travel froin I 10 per cent. of tar nnd 10 to 20 per cent. of resiii, bitumen, tlris flue, which piiabcs eutirely rouritl the generutor, itit0 n ' or other iigg1utinnnt, nntl the mixture is coked ns IIVIIII. stack-pipe. lid tlicncc iuto the nir tllrou,nh t i snit'r-viilve nt