484 



THE EXTERIOR OF THE HORSE. 



To this end, he places some thirty metres of white paper along the ground over which the 

 horse is to travel. Besides, he attaches to the external side of each hoof a brass tube directed 



Fig. 178.— C'ftaMSsure exploratrice for registering the gaits by electricity 



PP', pedal with spring. 



V, axis of the latter, unscrewing for cleaning. 



G, frame for the pedal. 



EE', screws fixing it to the shoe. 



F, parietes of pedal forming a box. 



C, one of the points of contact. 



BB', knobs for attaching the conducting wires 



M, India-rubber membrane. 



Fig. 179.— Longitudinal and median section of the chatissure exploratrice. 

 (Same letters as in Fig. 178, except F, which represents the section of the shoe at the toe.) 



vertically and tapering at its extremity turned towards the ground. This tube, by its other 

 extremity, is connected with a reservoir containing a colored liquid, by means of an India-rubber 

 tube attached along the members. The reservoir destined to feed the tubes of tlie anterior feet 

 is placed upon the withers; that for those of the posterior is lodged upon the croup behind the 

 rider. 



