416 



Bulletin 92 



grade of gas oil, while the two other kerosenes are inferior to the low- 

 grade gas oil. Any one of these kerosenes would be improved for 

 engine service by the addition of from five to ten percent of gasoline. 

 Of the three kerosene samples only the Union kerosene was from 

 California. Both samples of gas oil were from California. It is ap- 

 parent that oils from the east must be from 2° to 5° B. higher in 

 gravity than the California oils in order to have equal volatility. This 

 characteristic is confirmed by other tests. 









4 .'JO —60 



I'EHCKNT DISTFLLEI) 



Fig. '■>. The boilins ranges of iniscelliineous gas oils. No. 1 and No. 2 were' from 

 Ranger, Texas, and were quite satisfactory in use in-theCasft OraBde-VaHey iir-^-^20;.- No: ."? 

 anJ No. 4 were unsuitable lor electric-ignition engines. — Therer'ore;'-No. 2 can-be taken as a' 

 limiting line for fuel oils for eneines of that type. — — ■■ ■ — — ■ •■" ;"" ---•■- 



-In Fig. 5 are sliown the results of four tests : No. 1 and." No. 2 

 samples were from the Imperial Refining Company, the oil being from 

 a refinery at Rano-cr, Texas; No. 3 was a sani])le of unsatisfactory 

 California gas oil; and , No.. 4 .was a. sample fnim the White Kagle 



