Introduction 



mers began to drive up with their cans of 

 milk. They themselves had to drive from 

 three to six miles in the hot sun, and so de- 

 livered the milk already warmed considera- 

 bly above the point at which they had taken 

 it from their springs. From three to five 

 o'clock, the cans of milk were standing in the 

 car without ice, the thermometer in the car 

 registering 98°. At five o'clock the car was 

 attached to the train drawn to New York, 

 and the milk delivered on the platform, 

 never having been cooled in any way during 

 its transit. 



The example cited is not an isolated one, 

 for similar conditions were found at other 

 stations on this road. From the observa- 

 tions made last summer, it appeared that 

 fully 10 per cent, of the milk carried by this 

 road during the hottest months was never 

 iced at all during transportation, and much 

 more was iced but very slightly. Milk han- 

 dled in this way in hot weather is often so 

 changed that it is unfit to be sold, and is re- 

 fused by the dealers. When, however, the 



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