Show A simple Pu Purl rifer fer the air of a room may be purified lit in two hours by setting inside of it a pitcher filled with pure pure cold cola water in three hours at most it iia il have absorbed sit all the respired gases in the room leaving the air purer by that much but the water will be too filthy tou to use seif if one but knew and could see fee what it lias has taken in it is estimated that a common 0 of I 1 ice cold water will absorb in six hours bouts one quart of carbonic acid and several pints of ammonia from the air for the purpose of purifying the ar air the water is all right but dont use it to wash in or to drink for those purposes use fresh water just drawn or use from vessels that are always covered either by metal or chin or by several folds of cloth like a clean towel care in the use of drinking water would avert many calamities As typhoid and other malarial fevers |