Show Filtered Air Is Best For Operating Room PULLMAN W WASH Because Because bacteria bacteria bacteria bac bac- teria do not breathe but absorb materials materials materials ma ma- only in solutions effective for fumigation is difficult difficult difficult cult and rarely succeeds according to Dr Ernest C. C McCulloch research research research re re- re- re search veterinarian of Washington State college For many years early bacteriologists bacteriologists bacteriologists did not know that must be carried out by means of solutions They attempted to kill bacteria by fumigation Dr McCulloch McCulloch McCulloch loch said Formaldehyde vapors or orthe orthe orthe the fumes of burning sulphur were used |