13 



A test was made of a kerosene lamp (No. 6) having a B & H 

 burner with an inch and a half circular wick. This was to make 

 possible a comparison between the mantle lamps and the common 

 wick lamp using kerosene which is probably the most general 

 illuminant for isolated dwellings. 



Lamp No. 6 Kerosene Lamp. 



TABLE NO. III. 



LAMP TESTS. 



