MILKING BY MACHINE 63 
objections are imaginary. Dairies where covered 
pails are used produce much cleaner milk than 
dairies using old-fashioned wide-mouthed pails. 
STEP NO. 4a. MILKING BY MACHINE 
Milk drawn from dairy cows through the tubes 
of a good milking machine is entirely protected 
against damage from the dirt of the cow, or the 
milker, or the stable. 
The objection to the machine is that if it is 
not carefully cleaned and _ sterilized, it causes 
