Abate the Dust Evil 
t has been proven beyond a shadow of doubt that many diseases of 
culate through the air. a Poe ventilation aids materially in getting rid of dust, 
but so long as the floors remain dry and untreated the pee will still exist. 
gienic conditions and dustless schoolroom floors can be had at small 
cost. By treating floors three or four times a year pre 
STANDARD 
FLOOR DRESSING 
dust can be Beualy ot nated. Experience proves that Standard Floor 
Dressing reduces dust over eleven-twelfths; so that with dust abated and the 
atmosphere dpkihed the N habeas for contracting disease are reduced ean 
tionately. 
Standard ek: pores not only makes sanitary . did sohied thik also 
preserves the floo Prevents them from cracking:and splintering and at the 
same time eae ‘de cost ae labor of caretaking, 
Standard Floor Dressing is sold everywhere j in barrels, half-barrels, and 
in one gallon and five gallon ‘cgns 
Not dirgded for hintchald use. 
A FREE DEMONSTRATION 
want to prove Ne efficiency of Standard-Floor Dressing at 
gees se, We wiff.treat freé of charge one schoolroam or 
Sciehtoe floor or part of one floor in any store or public building, just 
to sete’ how Standard Floor leche Sofie a dust. To localities 
Bo of Ed sate School Superintendents, Principals and Teachers 
ted write ‘a information, testimonials, and our free beok, — and Its 
gers.”: The health of eeltison may depend on your action... 
STANDARD OIL COMPANY 
(Incorporated) 
