SELF-MOVING MILL. 



descended a little below the position at K F, so 

 that the folding half is a little beyond the per- 

 pendicular, they unfold to the full length of 

 the straightened arm, as at E G and D H. At 

 this greater length of leverage, the weights have 

 greater turning power ; they overcome the 

 weights acting with less leverage on the other 

 side, and cause the wheel to revolve. The 

 power beyond what is required to overcome 

 s 



FIG. 26. FALLACY OF THE AUTOMATIC MILL. 



the friction of movement can be taken off by a 

 drum and belt, and employed to do any useful 

 work. 



The exhibition of this scheme is enough to 

 condemn it in the eyes of those who possess in 

 any degree the mechanical sense. 



Its logical condemnation on grounds of 

 scientific possibility is equally emphatic. The 



i 113 



