| Show GLASS DISEASE THE LATEST peculiar malady has affected win dows of english cathedral I 1 abely it baa has been found that a peculiar glage glass disease haa has broken out among the windows wini lows of lork ork cathedral indeed it ie is stated thac ome of the thirteenth an I 1 fourteenth century glass in the edifice ims been removed in order to arreg arrea tho the dis ills ease the out outbreak breal Is 1 ascribed to a fungus but the exact nature of its attack upon the glasa glass ie to not describe ed the glase appear appears to be abed to euph such an stent that portions 0 the glass bield on the slightest it uch moreover the of lie tte glass has to a great extent dieas 1 pared leared in abort short the glues glass here and biere t acre exhibits no longer the properties of glame it is in at evident ident that some krul kind of chemical action has b hi en ea due perhaps to the life and labile of a fungus organ isms are known or of course which assimilate sill a the gradual but sure crumbling of the ement used in tater rater reservoirs has been t aced to the operation of countless count leaa tiny organ ime onis the artion was wat at first regard t I 1 aa as being due to the solvent property of carbonic arid acid and other substances commonly arsent in tit water under the action of the bacteria the cement rep olred into tutu soft mud the attack Is male mate by the ubiquitous i nitrifying or organism ganisin which conducts a large extent the great work of at purification throughout ghou oti nature the diction ceases cease i in lit the absence of material mate matet ilal ial and the view la Is mat nitrous acid la Is produced which 1 acta acts upon the cement lining of the ater alst I 1 ondon lancet lancel |
