Show WATER filtration the filtration of water supply for cities provided with pipe systems je Is be log fog dif dlEon ousted eced again with a view to improving sanitary conditions general ly and specially with regard to the prevalence of typhoid fever feer fe er it is ie now understood tood that about 99 pe rent or of fever eases ore ere due to rol lutea water tapply and that abat with a perfect yam system ytm ol of sewerage cia inage and ventilation but with a polluted water supply typhoid fever will prevail but with a perfect water supply and fd drainage sewerage anil and to vec ti latiol while the vitality of per WM lons exposed will be lowered and other diseases be by the there will be little dagger from typhoid infection since the canad of typhoid cannot exist in pure water hence the necessity of filtration in water where there to la the least fear of danger from typhoid gerine statistics show that in american cities the rate of death from typhoid fever to Is much greater than in european cities where filtration eliet though before the filtration the european rate was waa the highest higher for instance io in hamburg the dealba from typhoid were 28 per of to in 1890 28 in 1891 and 84 in 1892 in ila may 1898 1693 filters were started arted at anu an the death rate came down to IS 18 that year jear in 1894 it was waa 6 and has baa continued low belog being at an average averel 0 of 71 71 or a reduction redaction through filtration oi of the water supply of over 70 per cent in now new york the average death rate from typhoid BID without filtration ban baa been 20 cogo ago without filtration has baa been 84 sed dd berlin with it 8 the haguel hague which uses filtered altered deep well water baa an avenge for the past five years year of deaths from typhoid lever of len ism than four per while that of wenty seven cities in the united stater with unfiltered water la Is ahir teen times as aa great la in curnoe the deep lake water Is ie fill filtered ered as aa at zurich and od liverpool which carries its if sup up ply from lake vyrnwy distant 66 65 miles milca in the welsh hilla where the la Is supplied in 10 the wildest part or of the country and all with albl tar jar reduced death riots rate irom from typhoid while the cities that do not filter their water supply have irom from seven to four teen times aa 88 many in pro portion to the population these be figures give a to in favor of city water filtration an aa a health preserver that confirms its great value ii 11 it were only in the mat matter terol oi typhoid fever alone filters would be an n important consideration for any town or of city with waterworks water works but they are of great utility in keep gout gem ora of other diseases awell as well in canyon stream etre amr rs which flow for allee along a mountain merge there lie la a species of filtration in the water flow I 1 log da over the creek bed at the same time the exposure of the stream to duet wiDd and rubbish which nate the water with much organic matter to say eay nothing of the mud and debris debrie that are chopped up aud and delivered to consumers through the water pipes at certain seasons of th year pollute olllie the water to a much greater extent than in such lake sources as that from which zurich and liverpool draw their supply in this city clear and pure as the gatei may be in certain its condition in others is inch that filtration Is if necessary to keep it reasonably free from pollution on the score of health alone not to mention the comfort cleanliness and convenience or at wate gatei takers when iloh filthy stuff cornea comes at a Is delivered through the water pit es each spring the sanitary workers in ID this city would become public bone bene factors by preBi sting in an agitation that would result in a system ot of filtration to insure an unpolluted water supply |