THE ANGLE OF TRACTION, ETC. 



227 



prove two or three inches too short when he is put 

 into a trot. 



The Hames. What we have to say with regard to 

 this important portion of the harness applied chiefly to 

 the mode in which the trace is attached to it. In 

 common cart and waggon harness, the connection is 

 immediate, the trace, whether a chain, or cord, or made 

 of leather, working directly into the draught -eye of the 

 hames, Fig. 19 k, and this is practically superior to any 

 other method. But it is open to one objection 



H 



Fig. 19. 



namely, that the friction of the trace, as it changes its 

 position up and down, chafes the outer side of the collar 

 and wears it out. In order to obviate this, a great 

 many contrivances have been adopted, as, for instance, 

 an oval plate, Fig. 19 I ; or a bar projecting at right- 

 angles to the leg of the hames, and of such a length as 

 to bring the draught-eye clear of the collar, Fig. 19 m ; 

 or, finally, what is called a scroll trace-eye, one variety 

 of which is shown by Fig. 19 n. Now I is unfitted for 

 carriage harness, for which either m or some modification 

 of n is almost always adopted. Mathematically, or 



