150 



BOILEB TESTS. 



Results of Tests. Boiler No. 36. 



* Afternoon period of the day's run starting with hot furnace and boiler. 

 NOTE. The Cumberland coal when fired contained 3 per cent, of moisture and the 

 mixed fuel 4 per cent. 



The tests on Boiler No. 3G were made to determine the 

 economy of this particular arrangement of setting, as also the 

 relative economy of four different kinds of fuel, one of which 

 was what is called the ''residuum" of crude petroleum. 

 Looking at the individual results of these tests, it appears that 

 the boiler showed a performance with anthracite coal which is 

 seldom exceeded by boilers set in the ordinary manner. The 

 comparative result obtained with Cumberland coal is somewhat 

 less favorable, considering the class of the fuel, though taken 



