The Trials of Oil Eni/ines at Cambridge. 
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Nature of Trial. 
a 
Go 
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M 
Duration of trial, hours . 
Brake power 
Wheel constant, per lb., per rev. 
Dead load, lb 
Spring balance reading, mean. 1 
lb 1 
Nett load on brake . 
ltevolutions, total during trial 
„ mean per minute . 
Brake horse-power . 
Oil used 
Lamp oil, total, lb. . 
Engine oil, „ „ . 
Total oil used, lb. 
Oil per B.H.P. per hour . 
Oil used per hour 
