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Nature of Trial . • • 1 
Engine 
Duration of Trial . 
Brake Pout. 
Wheel constant per lb.per rev. j 
Dead load, lb., mean . j 
Spring balance reading, mean j 
Nett load on brake, lb. . j 
Revolutions per min., mean . 
Brake horse-power, mean 
Indicated power. 
Cylinder constant per lb. per 
explosion .... 
Explosions per min., mean 
Mean effective pressure, lb. per 
sq. in 
Indicated horse-power . 
Mechanical efficiency 
Oil used. 
Lamp oil u^ed, lb. . 
Engine oil used, lb. . 
Total lamp and engine, lb. . 
Oil per I. H.P. per hr., lb. 
Oil per B H P. per hr., lb. 
Oil total per hr., lb. . 
Jacket water. 
Total during trial by meter, lb 
Time taken to start, mins. 
