16 



The Bulletin. 



It is interesting to note the gradual rise in flash-point since the 

 first of July, especially in the samples of the Standard Oil Com- 

 pany. This is shown in the following tables : 



STANDARD OIL COMPANY. 



Average flash-point of 13 samples collected in July 



" 57 " " in September 



" 125 " " October 1st to 20th 



" 12 " " October 20th to November 1st. 



Total 207 samples. 



92.6° F. 



98.0° F. 

 104.0° F. 

 103.7° F. 



RED "C" OIL MANUFACrrURING COMPANY. 



Average flash-point of 18 samples collected inJuly 



" 29 " " in September 



" 19 " " October 1st to 20th 



4 " " October 20th to November 1st. 



Total 70 samples. 



103.5° F. 



108.7° F. 

 109.4° F. 

 110.0° F. 



NATIONAL OIL COMPANY. 



Average flash-point of 4 .samples collected in July 



7 " " in September 



9 " " October 1st to 20th 



1 " " October 20th to November 1st 



Total 21 samples. 



NORTH CAROLINA OIL COMPANY 



Average flash-point of 8 samples collected in July 



" 4 " " in September 



Total 12 samples. 



CROWN OIL AND WAX COMPANY. 



Flash-point of 1 sample collected in July 



" 6 samples " " September 



Total... 7 samples. 



91.70° F. 

 100.05° F. 

 109.00° F. 

 109.00° F. 



108.00° F. 

 108.00° F. 



107.00° F. 

 118.00° F. 



None of the samples sent in by the other oil companies named 

 above flashed as low as 100° F., even in July. In fact, the only 

 companies which had oil flashing under 100° F. were the Standard 



