4 
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. I2—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 perfect safety. 
In some cases paint is used. It is applied with a 
brush in the same manner as the oil and penetrates the 
