^ 



Fig. ;i;i. 



Crude Dil Spraying. Above, an orchard of old apjile trees, very scaly, cut back to 

 stul)s. drenched with undiluted oil, now free from scale and ready to bear clean fruit. 

 Below, apple orchard sprayed with undiluted crude oil in 1905, now loaded with fruit. 

 From original photos. 



