ENGINE No. 40. 



Compound Condensing Engine. 



Data and Results of Feed -Water Test. 



Character of steam 



Duration 



Weight of feed-water consumed 



Feed-water consumed per hour 



Pressure in steam pipe above atmosphere 



Vacuum in condenser 



Revolutions per minute 



Mean effective pressure, H. P. cylinder 



Mean effective pressure, L. P. cylinder 



Indicated horse-power, H. P. cylinder 



Indicated horse-power, L. P. cylinder 



Indicated horse-power, whole engine 



Feed-water consumed per I. H. P. per hour 



Measurements bas&l on Sample Diagrams. 



158 



