and the Economy of Fuel. 



97 



The boiling water being let off, and it being replaced 

 immediately with cold water, the experiment was re- 

 peated as follows : 



Experiment No. 30. 



This boiling water being let off, the boiler was again 

 filled (immediately) with cold water; and in this third 

 experiment the quantity of water was increased to 

 11,368 Ibs. Bavarian weight, equal to 14,078 Ibs. 

 avoirdupois, or 1685 wine-gallons. 



The results of this experiment were as follows : 



