THE CITY MILK PLANT 



out in the morning he is charged with the number of bottles 

 of milk, the number of tickets or sheets of tickets and the 

 cash he has in his possession. When he returns from the 

 trip, he is again checked up and must have a used ticket 

 or cash to account for every bottle of milk disposed of. 

 He should also have an empty bottle for each full one 

 sold. This latter is rather difficult, unless there is some 



FIG. 26. A motor truck specially equipped for handling dairy products. 

 In the service of the Sheffield farms, N. Y. 



incentive for the driver to return the empties. Probably 

 the best way to prevent the loss of empty bottles is to 

 scale the wage on a basis of the number of empty bottles 

 returned. For instance, some companies pay their drivers 

 one dollar per day and one cent for each empty bottle 

 returned. Under this system the driver is pretty sure to 

 induce his customers to have an empty bottle ready for 

 him each day. 



