Atlantic and Pacific Engines 75 



out soon after the London extension was 

 opened, and displaced the " singles " and 

 the four-couplers on some of the best 

 trains. 



It seemed absurd to see huge " Atlantics ' 

 hauling four coach trains which a small 

 " single " would have rejoiced in. But the 

 new trunk line was looking ahead, and its 

 directors knew that the speed at which 

 these lightweights were booked would ulti- 

 mately attract sufficient traffic to make them 

 something like the trains then running on 

 rival routes. " Better to be ready ", said 

 the locomotive chief, and ready they always 

 were. 



In all the classes of " Atlantics " the same 

 size has been kept for the four-coupled 

 wheels, i.e. 6f feet diameter, but the cylin- 

 ders, their arrangement and dimensions, 

 have varied considerably. 



In addition to the big companies already 

 mentioned, the London, Brighton and South 

 Coast have also tried the " Atlantic ". 



When Mr. Marsh came from Doncaster 

 to take charge of the Brighton locomotive 



