How Sir Nigel Gresley Class A4 steam locomotives were built for speed
Sir Nigel Gresley’s Class A4 steam locomotives with their distinctive wedge-shaped front end made their first appearance 90 ...
来自MSN1 个月
The LNER Class A4 – The Fastest Steam Locomotive Ever!
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. Greenland's center-right party pulls off ...