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Some info about FLEMISH
Walschaerts valve gear
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TECHNOLOGY
The Walschaerts valve gear is a type of valve gear used to regulate the flow of steam to the pistons in steam locomotives, invented by Belgian railway engineer Egide Walschaerts in 1844.[1] [2] The gear is sometimes named without the final "s",[a] since it was incorrectly patented under that name. It was extensively used in steam locomotives from the late 19th century until the end of the steam era.
Wikipedia contributors, "Walschaerts valve gear," Wikipedia, The Free Encyclopedia,
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