and the Economy of Fuel. 



99 



The foregoing table shows the result of these three 

 experiments in a clear and satisfactory manner. 



I was surprised, when I compared the results of these 

 experiments with those made in the other brewhouse, 

 to find how little in appearance I had gained by the 

 alterations I had introduced. On a more careful ex- 

 amination of the matter, however, I found that I had 

 gained much more than I at first imagined, both in 

 respect to the economy of fuel and to that of time. 

 The amount of these advantages will appear from the 

 following comparison of the mean result of these two 

 sets of experiments : 



The mean results of these two sets of experiments 

 differ very little from each other in appearance; and 



