Uploaded May 2023 | Updated September 2026, 2 hours ago

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I need some help finding the real origins of that whistle from Dolby Digital Train Policy Trailer. I don't know if it's Pere Marquette 1225 when it's almost matches the chuffing that was recorded for the movie was The Polar Express because SOO Line 1003 didn't restored in 1992

(Footage by: Dan Cluley)