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Show DESTRUCTION OF RATS An East Africa publication contains a description of a method of destroy ing rats, followed in Java, in which carbon bisulphnto Is employed. In carrying out tho method a small quantity, quan-tity, usunlly about ba'lf a teaspohful of the carbon bisulphide is poured Into In-to tho rat holo and after waiting a few moments to let tho liquid evaporate, evap-orate, tho mlxturo of nir and vapor Is lighted, a small explosion resulting and filling tho hole with poisonous gas, killing tho rats Instantly. Such n process practiced openly might be objectionable under some circumstances circum-stances because of danger from fire resulting from tho explosion and a field for Invention appears to offer Itself to provide some form of fire-proof fire-proof gun or explosion chamber suitably suit-ably formed to be Inserted in the mouth of the rat holo and adapted to enclose tho exloslon and discharge the resulting noxious gas into tho holo Scientific American. |