MOTOR GAUNTLET. 



349 



closed at one end is bent, flattened, or compressed, 

 its capacity is lessened, and therefore air is pressed 

 out of it and driven into the tambour with which 

 it is connected. The needle of the recording tam- 

 bour is thus moved by the bending of the tube of 



Fig. 46. Motor Gauntlet. 



the motor attached to the finger; the movement 

 of the recording needle corresponds to the move- 

 ment of the finger and the activity of that part 

 of the central nerve-mechanism which moves the 



