AND PHYSIOLOGY, 



Fig. 159. 



made by hanging a bar 

 between the ends of two 

 ropes twisted together, 

 as in Fig. 157, or from 

 two ropes hanging per- 

 pendicularly from the 

 ceiling. This triangle 

 may be suspended from 

 the ceiling of any room, 

 or the branch of a tree, 

 and is of great service 

 for exercise, since it 

 calls into use not only 

 the upper, but also the lower extremities. 



But much more complete exercise, and that which tends to 

 give ■ symmetry of form to either sex, may be obtained from 



