64 Book of Locomotives 



given trains which had been previously 

 double-headed. This led to " thrashing ", 

 and as the locomotives were not super- 

 heated, the coal bill was a large one. But 

 there was no question of their splendid 

 hauling capabilities, and to the surprise of 

 many locomotive men, the six-couplers beat 

 the famous 4-4-0 ' Precursors >! in the 

 matter of speed, despite smaller driving 

 wheels. 



When Mr. Bowen Cooke succeeded Mr. 

 Whale he copied the " Experiments " in his 



* Prince of Wales >: class, giving slightly 

 larger cylinders and adding the superheater. 

 Then he went on to the four-cylinder 



* Claughtons ", which in their later years 

 are doing even better than when they first 

 came out in 1914, especially those which 

 have been rebuilt. 



The Great Eastern turned to the 4-6-0 

 the same year as the London and North- 

 Western in 1905 and their fine inside- 

 cylindered 4-6-05 had much in common 

 with the " Experiments " and " Prince of 

 Wales >: classes. Up to and beyond the 



