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Show TAKEN FROM EXCHANGES A Philadelphia electrician is the in ventor of a portable motor-drivei. pipe-threading machine which is supplied sup-plied with current by the storage batteries bat-teries of an automobile. One of Brazil's most important railroads rail-roads is being equipped with oilburn-ing oilburn-ing locomotives and expects eventually to dispense with coal. The government of Uruguay has effected ef-fected an important saving by substituting substi-tuting petroleum for coal in its Montevideo Mon-tevideo electric powerhouse. Because of the shortage of coal the government govern-ment is aiming at further economy by converting two river steamboats and 50 locomotives on one of the government gov-ernment railways into petroleum burners. burn-ers. It Is estimated that the number of Jews in the world at the beginning of 1915 was 10,431,S29, of whom near ly one-half were residents in Russia. 1,994,378 were In Austria-Hungary, and 1,13G,240 in the United States. About 500,000 Jews are fighting in the present war, 20,000 being with Hie British forces. The report of the first census is contained con-tained in an octavo volume of 5G pages. Nowadays in a decade the census bureau bu-reau issues ten or more quarto volumes vol-umes with more than 400,000 pages. More than 100,000 operatives are now employed in Americun silk manufacturing manu-facturing mills. This is exclusive of those employed in dependent industries. indus-tries. The thistle and the caterpillar tave been eliminated from New Zealand by the English sparrow. |