SHIPPING MILK AND CREAM 



225 



may be placed immediately after cooling and in which 

 they may be kept until ready for shipment. 



Shipping in Cans. Various insulated cans are now 

 upon the market and a number of these have been tested 

 by the author. The tests showed that these cans possess 

 about the same insulating- effect as the felt jackets that 

 are commonly 

 wrapped around ordi- 

 nary milk cans. Since 

 the latter, as a rule, 

 are more durable and 

 more easily handled, 

 they will be found 

 more satisfactory 

 when wrapped with a 

 felt jacket than the so- 

 called insulated ship- 

 ping cans. 



When milk and 

 cream are cooled close 

 to freezing and placed 

 in ordinary milk cans 

 wrapped in felt jack- 

 ets, they may be safe- 

 ly shipped to any 

 point that may be 

 reached within 

 24 hours even 

 i n warm weather. 

 If the temperature of the milk and cream at the time of 

 shipment is 50 F. or higher, then long distance ship- 

 ment is best accomplished by the use of an ordinary can 

 placed inside of a covered ice cream shipping tub con- 

 taining ice. Such a tub has practically the same in- 



Fig. 68. Screw Top Can. 



