EFFICIENCY AND FATIGUE 267 



at piece rates, gives the best output? Probably 8 

 hours a day or 44 hours a week (Saturday being a 

 half-holiday) is a good average for most industries in 

 peace-times; but if this is the best average it follows 

 that 9 hours or more a day must be the best for some 

 of the less active types of labour, and 6 or 7 hours for 

 some of the more active ones. In any case, it is 

 extremely important to get at the facts first, and then 

 one can accurately predict the results of adopting a 

 definite policy in one direction or another. 



H. M. V. 



