236 OHIO EXPERIMENT STATION: BULLETIN 194 



EXPLANATION OF PLATE XVIII. 



Fig 1 . 1. Preparing 1 kerosene emulsion by the use of a steam boi ling- 

 pi ant, capable of preparing- 3000 to 4000 gallons of first-class 

 emulsion per day. 



Fig-, 2. Same rig- as above, being- used for boiling- lime sulfur wash. 

 Used by the Department of Forestry, Cleveland, Ohio. 



