No. 6. 



DEPARTMENT OF AGRICULTURE. 



981 



TABLE III. 



Fraction of tlie Weight of a Vehicle and Load Required to Move 

 Same on a Level Road. (Morin.) 



Broken Stone Road. 



In very good condition, very dry, compaot and 



oven, 



A little moist or a little dirty, 



Firm, but with ruts and mud 



Very bad, ruts 4 to 41/2 inches deep, thick mud 



Good pavement, dry 



Good pavement, covered with mud 



Trot. 



1-42 

 1-27 

 1-19 

 1-10 

 1-39 

 1-34 



TABLE IV. • 



Tractive Power of Horses at Different Speed. (Trautwine.) 



The nverage 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 live hours per day 

 and for speeds of about from one and one-fourth to three miles per 

 hour. 



