168 



MB. WILLIAM FAIKBAIEN ON THE 



The same results are indicated in the experiments here 

 recorded as in those already obtained by the single engine. 

 They appear to follow the same law as respects the weight 

 moved, the velocity obtained, and the powers of the engine 

 employed ; and, assuming the engines to be in good work- 

 ing order, it will be found that the duty performed by each 

 is nearly in that ratio. 



We now come to the Passenger Trains at increased velo- 

 cities, which indicate some interesting results. 



