Show SODA fOUNTAIN GAS QUELLS FIRE N New w Method Developed for Coal Mine Fires r PITTSBURG Pa March 20 20 Science has given the mining industry industry industry indus indus- try a new method of fighting coal coalmine coal coalmine coalmine mine fires as the result of experiments experiments experiments ments completed at the Dither BItner mine of ot the II C. C Prick Frick Coke company near Connelsville Chemists of Pittsburg perfected a plan to use liquid carbon dioxide the same gas used to charge soda fountains in controlling the the fire which developed in tho the Bitner mine none come I months ago In preparing for tor the experiment that portion of the mine afire was isolated from oth r sections by brick walls and carbon dioxide gas discharged into the burning area The first charge of ot gas eras was gent sent nt into the mine December 10 lG A sm small ll quantity still sUll Is being discharged but tests Just made showed 78 degrees degrees degrees de de- de- de grees the normal temperature of a acal coal cal mining room it was announced Definite results will not be known until the portion of the mine Isolated isolated isolated iso Iso- iso iso- is opened |