ON PURITY MILK FARMS 79 
The first was a model sanitary cow-stable which, 
with its equipment, cost over $20,000. 
The second was an old-fashioned cow-stable 
with no sanitary features, which cost not more 
than $400. 
$400 BARN 
The sanitary dairy house supplied sterilized cans 
and sterile covered milking pails for the old barn, 
which were carried there in a wheel-barrow. The 
milker did clean milking into small mouthed pails. 
When the first old barn proved able to produce 
clean milk other old barns in the neighborhhood 
joined the dairy and did the same thing. The 
