SPRAY NOZZLE FOB OIL WITH WATER, ETC. 



11, 



The general structure of our apparatus has already been Indicated 

 by the quotation from Mr. Marlatt. A compressed-air pump was 

 attached to two -tec] boilers, which were connected so that the same 

 pressure was con-taut upon both of them. Oil was placed in one 

 tank and water in the other, and a lead of hose carried each sepa- 

 rately to the extension rod which kept them separate until after they 

 had left the nozzle. The general appearance of the pump was much 



P,G - '■ Compressed-air pump, suitable for spraying a mechanical mixture of oil ami 

 water, when fitted with the nozzle herein described. 



like that in figure 7. which i> thai o\ a compressed-air sprayer made 

 by an Ohio manufacturer, hut which was noi designed for using oil 

 and water. The extension rod and nozzle are shown in figure ft. The 

 rod is constructed of brass, i> of any desired base, ami consists of an 

 inner tube carrying the oil (or the hose connecting it with the oil 

 tank and an outer tube connected with hose to the water tank. At 

 the end of the rod proper the base of the nozzle was screwed on. which 



