. Journal . nger than manganese bronze or Tobin bronze.—A. S. 314 Cl, X,—metals and [Slarcb 31, 1909. Tin exports from the Federated Malay States. Board ofTrade J., March 4, 1909. [] The weight of block tin and tin ore (tin exjiorte*! in theform of ore liaving been taken at 70 per cent, of the grossweight of the ore) exported from the Federated -MalayStates during each of the years 1907 and 1908 was asfollows :— Stele. Tin Icon- taiuedin tinore. TottJ. Tin. Tin I con-taiiuHl Total,in tin ore. Perak Selangor Nonri SembilanPaining ,9084, tons. 19,770 11,417 2,09
. Journal . nger than manganese bronze or Tobin bronze.—A. S. 314 Cl, X,—metals and [Slarcb 31, 1909. Tin exports from the Federated Malay States. Board ofTrade J., March 4, 1909. [] The weight of block tin and tin ore (tin exjiorte*! in theform of ore liaving been taken at 70 per cent, of the grossweight of the ore) exported from the Federated -MalayStates during each of the years 1907 and 1908 was asfollows :— Stele. Tin Icon- taiuedin tinore. TottJ. Tin. Tin I con-taiiuHl Total,in tin ore. Perak Selangor Nonri SembilanPaining ,9084, tons. 19,770 11,417 2,093 tons. 16,303 1,975 ,6852,1841,131784 tons. 23,220 14,832 2,690 1,569 tons. 27,905 18,816 3,821 2,353 Total ... 13,938 34,504 48,442 8,784 42,111 50,895 Iron and aUel r Corrosion of . A. .Sang. Proc. Engineers W. Pennsylvania. 1909. 24. 493—.561. P.\TENTS. Keverberalori/ and lil:i. furnaces. A. J. Boult. E. Schmatolla. Berlin. Pat. 3394, Feb. Wit^^i^^^^e^^i^i^M At the front end of the hearth, h. of the fnrnaee. a verl iealeombustion chamber, a. wliich .-iupplied with gas fromthe producer, g. through the conduit b. and with heateil airfrom tlie regcTierator, R, by the conduit, ?2. and the open-ing!, <;, d. The air enters t!ie regenerator at I. and becom-ing heated, enters the combustion chamber under a pluspressure. The from the producer also enters thecombustion chamber under a plus pressure. If a reducingflame is required, tlie air is allowed to enter tlirougli theport. e. above the gas, the ports, rf, being closed. If anoxidising flame is required, the (Hjrt, c. isclosed and theports, d, are opened, the air entering below the eas -W. Iron from finely divided ores,- in and f!..^. ;^V/<xjelion of . P. M. Pritchard Liverpool. Eng. Pat. and The United .Vlkali Co.,•, Mar. 24, 1908. divided iron ores are mixed witli carbonaceousm-»terial and fluxing agents
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882
