APPARATUS FOR USE IN ORCHARDS 33 



taken that the oil is thoroughly dry, otherwise it has 

 a great tendency to generate heat if the tent is folded 

 and left for any length of time. The cloth burns or 



FIG. 12 CANVAS TENT WITH SQUARE TOP AND BASE 



chars and is ruined. On the other hand, if the tent is 

 thoroughly dry after oiling, it is easily handled and can 

 be folded with per feel: safety. 



In some cases paint is used. It is applied with a 

 brush in the same manner as the oil and penetrates the 



