Blast pipe

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Blast´ pipe`


1.The exhaust pipe of a steam engine, or any pipe delivering steam or air, when so constructed as to cause a blast.
References in periodicals archive ?
The London and North Eastern Railway (LNER) A4 class was designed for running at lOOmph-plus, but the Mallard was built with a double chimney and double Kylchap blastpipe, which made for improved draughting and better exhaust flow at speed.