ENGINE No. S. 



Simple Condensing. 



Kind of engine Four-valve (Corliss) 



Number of cylinders 



Diameter of cylinder 



Diameter of piston rod 



Stroke of piston 



Clearance 



H.P. constant for one Ib. m.e.p. one rev. per min. 

 Condition of valves and piston regarding leakage . . . 



Data and Results of Feed-Water Tests. 



1 



30 ins. 



41 ins. 



6 ft. 



3 % 



.2543 

 Fairly tight. 



Measurements based on Sample Diagrams. 



Engine No. 8 exhausts into a jet condenser with direct-con- 

 nected air-pump. Steam is supplied through a 12-inch pipe, 

 160 feet in length, from vertical boilers which superheat. The 

 amount of superheating at the boilers on the test was 67 degrees. 



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