4~4" an d 4-6-0 Locomotives 61 



Britain. That represents, in a few words, 

 the development of the 4-6-0 on the Great 

 Western. As the older four-cylindered 

 machines come in for heavy repairs they 

 are given larger boilers, and so become, 

 in reality, additions to the ' Castle ' 

 class. 



Harking back for a moment to the other 

 English pioneer of the 4-6-0, the North- 

 Eastern, here took place a complete reversal 

 of the policy adopted on the Great Western. 

 This is all the more surprising, since the 

 pioneer six-couplers on the North-Eastern, 

 known as the " S " class, were a decided 

 success, and really better engines than con- 

 temporary machines of the same formula 

 on the Great Western. Instead of adding 

 to the " S " class, the North-Eastern turned 

 to the " Atlantic ' compound and simple 

 and gave them the best express work on 

 their metals, including the heavy Scotch 

 expresses which the Great Northern hauled 

 up to York from King's Cross. It is 

 more than probable that the fine work of 

 similar machines on the Great Northern 



