Show to em ares F ar es ip in coal mines the mud jet sterns speras to have been round found especially e adapted to extinguishing in fires in coal ifil nes but it Is liable to he 4 applied A recent investigation shows allows that lime and clay should be included in the mud the usual success of the he mud jet in controlling fir Is laidely la to ly due to the action neto of these cernest materials in con loose and closing gas emitting op onis by forming a coke cake over them refuse dust from the cleaning cf f bladt furnace gas boller boiler ash sifted carlli and oven even combustible products like the refuse of col coal washing may makii makeup up tits the bulk of 0 the mud A tank of knud with gravity discharge Is bugge suggested ed as the ordinary firefighting fire fighting plant though steam or compressed air ma may y be used |