4-4~ an( l 4-6-0 Locomotives 65 

 grouping they have done splendid work on 

 the heavy expresses in the Eastern Counties, 

 especially upon sections which are not 

 adequately laid for larger engines. Mr. 

 Gresley added some of this type in 1928 

 and then turned to his " Sandringhams " 

 which are 4-6-03 with three cylinders. 



Then comes the London and South- 

 western, which joined the ranks of the 

 six-couplers in the same year, leading off 

 with some very big four-cylindered machines, 

 with the Drummond water tubes for the 

 fire-box. This feature was not altogether 

 successful we imagine, as few of the loco- 

 motives which had them, if any, at their 

 building now retain them. Nor were the 

 six-coupled Drummonds altogether suc- 

 cessful, ten at least have not reached the 

 re-boilering stage, their numbers having 

 been filled by new engines. Others have 

 had a re-arrangement made of their valves 

 and gained somewhat in the process. But 

 they were not numerous to begin with, and 

 what remain now take only secondary 

 express trains. With Mr. Urie's " 736 ' 



