blow-off-pipe

The Sailor's Word-Book

, in a steamer, is a pipe at the foot of each boiler, communicating with the sea, and furnished with a cock to open and shut it.


♦ Blowing-off is the act or operation of using the blow-off-pipe to cleanse a marine steam-engine of its brine deposit; also, to clear the boilers of water, to lighten a ship if grounded.

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