THE QUESTION OF FATIGUE FROM THE ECONOMIC STANDPOINT. 337 



1250 



1125 



1000 



875 



750 



625 



500 



375 



250 



125 



Diagram IV. — Accidents in Building. 

 Hours of work usually 8 per day, starting 

 9 10 II 12 I 2 3 



A.M. 



A.M. 



LUNCH 

 HOUR 



m 



w/^- 



J8%g8g^-^„; 





«? ,,x^ 



M. 



M 



Index No. : B8. 



C/. Table XII. 



9 10 II 12 I 



Ohio. ".-.-... Illinois. 



B7. 



1250 



1125 



1000 



875 



750 



625 



500 



375 



250 



125 



3 4 5 



•••■ Massachusetts. 



B9. 

 C/. Table XI.a. 



l'J15. 



