,m. and A<1 <>.'> 



f 4 similar 



icr plants .1 rhcr conditions. 



ic ac- 



it of a useful sc -i industry 



rhcr the job be in a grinding-room, in a cotton 

 mill among the spin plant, in a rail- 



road yard, or on the docks, requires definite me- 

 1. more or less accurate or more or less 

 ,atc according to the conditions of the u 

 - mechanical skill cannot be secured without 

 ight and it cannot be retained without thought; 

 but it requires more than the mental part of it to 

 coordinate the brain and the hand so that the best 

 rcsu be secured with the least effort. The 



fingers or the hands or the whole body must per- 

 il the operation over and over again and the 

 mind must be constantly alert during the whole 

 performance if the required skill is to be secured 

 rhen improved. 



v as the mind concentrates upon every 



i in connection with the job of turning an idea 



production, that the man begins 



to approach his potential capacity 1 \ the interest 



lessens to such a degree that it is almost lost, the 



work will actually deteriorate. M. stakes will 



i to repeat themselves and to grow in number. 



efficiency of a man long acquainted with a 



particular job may be less than the efficiency of 



if the older man has not retained his 



inter ;H-I! it during those r his 



association. 



