. The railroad and engineering journal . work he succeeded in reaching the bottom of the shaft,which was 320 ft. deep, and found a vein 5 ft. thick. Sampleswere carefully selected from the average ore and showed that asmall vein about 2 in. thick yielded yo ounces per ton. Copiesof assays made by Professor Church show as high as 420 ouncesof silver per lbs. of ore, the average for 20 specimens fromthe Ku-Shan-Tzu ores being ounce; ; the poorest speci-men showing 102 ounces. Chinese methods of mining, as might have been expected, arevery crude, but when the American system of mining
. The railroad and engineering journal . work he succeeded in reaching the bottom of the shaft,which was 320 ft. deep, and found a vein 5 ft. thick. Sampleswere carefully selected from the average ore and showed that asmall vein about 2 in. thick yielded yo ounces per ton. Copiesof assays made by Professor Church show as high as 420 ouncesof silver per lbs. of ore, the average for 20 specimens fromthe Ku-Shan-Tzu ores being ounce; ; the poorest speci-men showing 102 ounces. Chinese methods of mining, as might have been expected, arevery crude, but when the American system of mining is intro-duced it will have an immense effect upon the development ofthe mining industry. Chinese officials ate lending Mr. Churchevery assistance, and his operations are being conducted underthe immediate auspices of the powerful Li I lung Chang, Viceroyof Chi-Li. English Locomotive Cranes.—The accompanying illustrations (from Irou) show two cranes built by the fitm of Appleby& Company, East Greenwich, England. These cranes show. Fig. I. engines, driving twin screws, with blades of manganese passenger capacity will be 300 first-class, 150 secondclass, and 750 steerage passengers, and it is promised that theaccommodations will be better than those on any steamers heretofore built. One feature of these vessels will be the hurricanedeck, which will have a length of 245 ft., with a clear width ofiS ft. on each side of the deck houses. The Fairfield Shipbuilding Company at Govan, Scotland, re-cently l^tunched a new steamer named the Miincheti. for theNorth German Lloyds. This ship is of steel throughout, is 405ft. long, 46.! ft. beam, and 33 ft. deep. She will be driven byone set of triple expansion engines, having cylinders 30 in., 50in., and So in. diameter, with 54 in. stroke. Steam is suppliedby two double ended boilers 14^ ft. in diameter and \~\ long,with 12 corrugated furnaces. The ship is provided with a complete electric plant, and incandescent lights a
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectrailroa, bookyear1887
