Raleigh, N". C, September 30th, 1910. 

 Sir: 



I submit herewith manuscript covering the results of inspection 

 and investigation of illuminating oils since December 1st, 1900. I 

 recommend its publication as a supplement to the September Bul- 

 letin of the Department of Agriculture. 



Respectfully submitted, 



L. B, LOCKIIART^ 



State Oil Chemist. 

 To Hon. W. A. Graham, 



Commissioner of Agriculture. 



