KENNELLY. — AN APPROXIMATE LAW OF FATIGUE. 



FiGnRE 10. World's Walking Records. 

 Tiuie-diatance to logaritlimic co-ordinates. 



301 



a 



a 



a 



CO S 



o 1-1 o\ n ri> ta 

 IP la lo o" o trf 



Log. of distance (meters), upper line. 



a 



■o 



-Log. of distance (meters), lower line. 



