158 



AGRICULTURE. 



FRACTIOX OF THE WEIGHT OF A VEHICLE 

 AND LOAD REQUIRED TO MOVE SA31E OX A 

 LEVEL ROAD. iMokin.) 



TRACTIVE POWER OF HORSES AT DIFFERENT 

 SPEED. (Trautwine.) 



The average traction of a horse on a level and actually 

 pulling for ten hours in the day may be assumed as follows: 



If the horse works for a smaller number of hours, his 

 traction may increase as the hours diminish, down to about 

 5 hours per day and for speeds of about from 1;^^ to 3 miles 

 per hour. 



