ECONOMICAL TRAN8POKTATIOX. 



223 



and one to lead the horse, and two men to place the 

 beets in the silos. (Fig. 44 shows the arrangement.) 



b« 



We will suppose that each train is at its siding, the first 

 will be called A and the second B. The boy attaches 

 his horse to the train A, which is composed of 15 por- 



