163 



AGRICULTURE. 



THE EFFECT OF AVIDE WAGON-TIRES. 



The effect of wide and narrow tires for wagons is well 

 illustrated by the following results of carefully conducted 

 experiments by the Studebaker Wagon Co., South Bend, 

 Ind. In the trials given in the second column i|-inch tires 

 had been substituted for 4-inch tires. (Agr. of Pa., 1894 ; 

 see also Mich. Exp. Sta., Bull. 165; Mo. Exp. Sta., Bull. 13, 

 and Utah Exp. Sta., Bull. 4.) 



Weifjht of wagon and load 



Draft to Stan load on block pavement 



Draft to move load at a dead pull on block pave- 

 ment 



Draft to start load on good hard, sandy road 



Draft to move load at a dead pull on good hard, 

 sandy road ... 



Draft to start load on good level gravel road 



Draft to move load at a dead pull on good level 

 gravel road 



Draft to start load on muddy road 



Draft to move load at a dead pull on muddy road.. 



AVERAGE QUANTITY OF STONE REQUIRED PER 

 YEAR TO KEEP 10 FEET OF ROAD, WIDTH = 

 20 FEET, IN REPAIR. (Herschel.) 



Cub. ft. Cub. yds. 



1. Good material and heavy travel 15-20 = .55- .74 



2. Good material and medium amount of 



travel 10-15 = 



3. Good material and light travel 5-10 = 



4. Medium material and heavy travel. .. . 20-25 = 



5. Medium material and medium amount 



of travel 15-20 = 



6. Medium material and light travel 10-15 = 



7. Third-rate material and heavy travel. . 25-30 = 



8. Third-rate material and medium amount 



of travel 20-25 = 



g. Third-rate material and light travel. . . 15-20 = 



