Show practical lare extinguisher A method has been devised for extinguishing gui shing fires by the effect of the fire itself aided by the operation of electricity A chemical generator of sufficient capacity is first provided and from this pipes are carried into each room in the building attached to the ceiling of the room is a jar in which acid is stored and inside of which a cartridge is placed an open circuit battery is used the thermostat in each euh room is any desired degree say at 80 deam in case of fire the mercury ri seato this figure and the circuit la Is closed this explodes the cartridge in the jar a valve drops and the chemicals are precipitated into the room through a series of 0 sprinklers lers there Is also in connection with this device a system of dry pipes and it if it be found that the chemicals will not extinguish the fire an officer on the outside ot the building can determine by the e enumerator ine in which room the fire tire it is located and by turning a switch can hood flood th the room new york telegram |