Thus, Gresley was tasked to design a new locomotive. He produced the A4 Pacific (a 4-6-2-wheel arrangement) and no. 2509 Silver Link was the first locomotive of this class to leave Doncaster Works ...

How did the LNER Class A4 set the world speed record for steam trains? We break down the science, mechanics, and history behind this legendary locomotive. Pentagon orders up to 3,000 troops and ...