WE CARRY A FULL LINE OF INSECTICIDES 25 

Y 

A NEW MOTOR OIL 
FOR 
HEAVY DUTY SERVICE 
Blue Seal “Master Motor Oil” is a prem- 
ium quality motor oil prepared especially 
to safeguard the operating life of truck — 
and tractor motors. This new Master. = 
Motor Oil will lubricate —seal in the ~~ 
power —and cool the motor, as all good 
oils will do—but it also has a cleansing 
action that retards ring sticking —motor 
varnish —sludge —and other difficulties 
arising from active duty farm work. 
BLUE SEAL 


a // 

RMAOTOR OIL 
ALSO 
Penn-Bond Oils; Pure Pennsylvania Crude; Dual Duty 
Oils for special work; Blue Seal Greases for every need. 
SOLD BY 
LAKE-COOK FARM 
SUPPLY COMPANY 

