ENGINE No. 12. 



77 



cially dry condition. One of the steam valves leaked, but the 

 remaining valves were practically tight. The piston leaked 

 badly. The load consisted of cotton machinery. 



Leakage and the poor vacuum are evidently accountable for 

 the comparatively low result obtained here. 



ENGINE No. 12 



Head End 



Crank End 



-60 



-40 



-20 



- 



60 



-40 



-20 



- 

 -10 



