The nested shell & tube heat exchanger in the (sectioned) Ellerman Lines boiler.

Tags:   National Railway Museum York train NRM UK railway heat exchanger shell and tube heat exchanger steam locomotive Ellerman Lines

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The nested shell & tube heat exchanger in the (sectioned) Ellerman Lines boiler.

Tags:   National Railway Museum York train NRM UK railway heat exchanger shell and tube heat exchanger steam locomotive Ellerman Lines

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One of the LNER A4 steam locomotives on display at the National Railway Museum in York.

Tags:   National Railway Museum York train NRM UK railway LNER LNER Class A4 steam locomotive locomotive Dominion of Canada Mallard 75

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The record-breaking Mallard and her lesser known cousin Dominion of Canada.

Tags:   National Railway Museum York train NRM UK railway LNER LNER Class A4 steam locomotive locomotive Mallard Dominion of Canada Mallard 75

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The Sir Nigel Gresley, Dwight D. Eisenhower and Union of South Africa LNER A4 steam locomotives at the National Railway Museum in York.

Tags:   National Railway Museum York train NRM UK railway LNER LNER Class A4 steam locomotive locomotive Union of South Africa Sir Nigel Gresley Dwight D. Eisenhower Mallard 75

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