THE EQUIPMENT 



tion of the hay carrier. It is not the pur- 

 pose here to discuss barn buildings, but 

 merely to call attention to the fact that the 

 traditional barn has long since outlived its 

 usefulness, and that the young farmer should 

 plan his farm buildings to serve the pur- 

 poses required in the light of modern 

 knowledge. 



Various attempts have been made to man- 

 ufacture combined machines ; that is, a ma- 

 chine which, by an interchange of parts or 

 other modification, may be used for two or 

 more purposes, as, for example, harvesting 

 small grain and cutting grass. Such at- 

 tempts have usually been unsuccessful. On 

 the other hand, the young farmer should 

 consider the range of usefulness of any given 

 type of machine or tool ; thus, a disk harrow 

 is more efficient for some purposes than a 

 spring-tooth harrow. For other purposes 

 the spike-tooth harrow is better than the 

 spring tooth. The spring-tooth harrow, 

 however, will do fairly well wherever the 

 disk harrow or the spike-tooth harrow is 

 needed. When, therefore, only one of these 

 in 



