How to Reduce Dust in 
Schoolrooms 
It is now a well established fact that dust is accountable for the spreading of 
more contagious diseases among school-children than any other one single cause. 
Modern science and pincceal experience both prove that many Misses are 
held in check by simple eee ye measures. Do away with dust and many 
dangerous diseases may verte 
A simple dust devine: ig at hand in 
STANDARD 
Floor Dressin 
Hick: keeping down dust in thousands of schools with a success that is ex- 
i: y me Treat floors three or four times a year with Standard Floor 
‘ sing for best results. By pepipa ae the se ae it prevents the circulation 
bows 
Besides s being a kanweede. Standard Floor Dressing is an effective 
floor preservative and labor saver. Will not HO ZY Pays for itselr 
many 7 rans Not intended for household u 
In order may be convinced of the seat of Standard Anat 
Dressing, Rae ‘wil plc ll it to the floor of one room or corridor in schoo 
or other public building FREE OF ALL COST, 
alitie ope mou pal vid ur agencies, we will send free sample 
with: Full Gasatay fa applying. 
Sold in barrels and cans of varying siz 
Send for testimonials, reports and Sook Bok and Its Dangers.”’ 
TANDARD OIL COMPANY 
(Incorporated) 
