Scientific American Supplement, No. 460, October 25, 1884
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2 system was peculiar to Wigan. A double line of rails is always used. The rope rests upon the tubs, which are attached to the rope either singlyor in sets varying in number from two to twelve. The other engraving showsa mode of connection between the tubs and the rope by a rope loop as shown. [Illustration: ATTACHMENT TO ENDLESS ROPE "OVER. "] The tubs are placed at a regular distance apart, and the rope works slowly. Motion is given to the rope by large driving pulleys, and friction isobtaine...d by taking the rope several times round the driving pulley. * * * * * A RELIABLE WATER FILTER. Opinions are so firmly fixed at present that water is capable of carryingthe germs of disease that, in cases of epidemics, the recommendation ismade to drink natural mineral waters, or to boil ordinary water. This is awise measure, assuredly; but mineral waters are expensive, and, moreover, many persons cannot get used to them. As for boiled water, that is abeverage which has no longer a normal composition; a portion of its saltshas become precipitated, and its dissolved gases have been given off.
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