Scientific American Volume 31 Number 14 (October 1874) . d on shore, all that remains to be doneis the arranging them about the wreck, which, from their ex-treme lightness under water, is a matter of little difficulty.—Iron. Prospective Profits of English and AmericanRailways. The Springfield Republican says that the English roadsseem destined to eat themselves up. Their earnings haveincreased 100 per cent since 1860, their working expenses135 per cent. How many decades it will take for the ex-penses to catch up with the earnings is an unsolved prob-lem. The English road a have cost three time
Scientific American Volume 31 Number 14 (October 1874) . d on shore, all that remains to be doneis the arranging them about the wreck, which, from their ex-treme lightness under water, is a matter of little difficulty.—Iron. Prospective Profits of English and AmericanRailways. The Springfield Republican says that the English roadsseem destined to eat themselves up. Their earnings haveincreased 100 per cent since 1860, their working expenses135 per cent. How many decades it will take for the ex-penses to catch up with the earnings is an unsolved prob-lem. The English road a have cost three times as much per period of revolution are brushed therefrom into a receptacle,while the scraps of other metal fall to the bottom of the ap-paratus. The machine is said to be capable of separating1,100 pounds of material per hour. It has also recentlybeen employed by M. Mangon, for detecting titanic iron inarable earth, with remarkable precision, the iron, in suchsmall quantities as 15 or even 7 grains in 22 pounds of earth,having been readily - ^ c c
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectinches, bookyear1874
