a close up of a train engine on display

In the darkest days of war, when nations clashed and battles raged, there was a secret code that no one could break. Messages sent in this code were like whispers in the wind--undetectable, unreadable.Those who used this machine believed their secrets were safe, hidden within its complex gears and rotors. It was the ultimate tool of secrecy.But in a hidden location, brilliant minds gathered, determined to outsmart this mechanical genius. They worked day and night, cracking its code, turning the tide of the war. Their breakthrough, though invisible to many, saved countless lives.This machine had one purpose--to keep information hidden. But its design, though clever, was not unbreakable.Now, here is your riddle:A code machine with gears and might,It kept its secrets out of sight.In war, it played a deadly role,But was cracked to save both life and soul.With shifting cogs and secret schemes,What is this machine of encrypted dreams?Can you guess the name of the machine?