27 c k ENGINE TESTS. 



extreme pressures. In one case, the intermediate pressure gave 

 a slight reduction, whereas in the other, the intermediate pres- 

 sure gave a slight increase in the consumption. 



IN CONCLUSION. 



A careful study of these tests should be of service to engi- 

 neers in designing new plants or re-organizing old ones, inas- 

 much as they show, within the limits covered, what designs 

 and practices should be avoided, and what conditions should be 

 observed in order to secure desired results in the best manner. 



