78 DUST AND ITS DANGERS. 



of so-called " dusting" that is, the stirring up 

 of the dust which has settled on the smooth 

 places in a room so as to allow it to settle 

 again on to the rough surfaces or inconspicu- 

 ous places where it does not show is worse 

 than useless, since the dust and germs are not 

 in this way got rid of, but only redistributed 

 and put for a time in a situation suitable for 

 inhalation. 



Carpets and heavy hangings and upholstery 

 with rough goods all insure the more or less 

 persistent retention of dust particles in rooms 

 and with these the harmful germs, if such are 

 present. 



Hard floors, with rugs which may be cleaned 

 out-of-doors, as few and as light hangings 

 as are practicable, furniture upholstered as far 

 as may be with smooth-surfaced fabrics, the 

 use of moist dusting-cloths, and the wide open- 

 ing of windows and doors when cleaning is 

 going on, these are the general suggestions, 

 which, if followed, will confer in a large degree, 

 even in populous towns, a sense of security 

 against the dangers of dust in private houses 

 in which healthy persons live. 



We need here only call attention in the 



