ENGINE No. 80a 



120- 



100- 



80- 



60- 



40- 



20- 



0- 



H.P. Cyl. 



UP. Cyl. 



15 

 10 

 5 

 

 5 

 IO 



ENGINE No. 8Ob 



120^ 

 100- 

 80- 

 60- 

 40- 

 20- 



o- 



H.P. Cyl. 



UP. Cyl. 



