{/ 
Keep 
The Dust Down 
_ Inschoolrooms and gymnasiums it is of the greatest 
importance that everything be done to benefit the health 
even in the smallest’ degree. The harmful effects of too 
much dust in the air are well-known. 
The constant shuffling of feet in the schoolroom, 
and the more violent exercise in the gymnasium, stir up 
dust and circulate it in dangerous quantities. It is of the 
eatest importance to general health that the amount of 
floating dust should be reduced. 
| \fecognized, have been quick to avail themselves of the 
jof Standard Floor Dressing. Pee Ra 38 
Illustrated booklet sent free—A booklet, on “Dust 
Danger and How to Avoid It” will be mailed to you free immediately 
ae much valuable information 
pon receipt of your request. It contains 
isa book you should have. : ‘ 
= Not intended for household use. eo yreas bee 
Standard Oil Company = 
(incorporated. 
% A 
