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Puffing Billy

5 June 2015

At http://malagabay.wordpress.com/2015/06/04/the-soporific-sound-of-settled… … if you like choo choo trains and puffing billies have a look at Tim Cullen's post this week. He uses videos of steam trains to make a point about the Doppler Effect. I used to watch the steam trains from the West Country roar through our neck of the woods when I was a boy, rocking side to side as they sped on their way to London. They used to stop feeding the boiler at around West Drayton, and had enough momentum to reach Paddington.

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