Science Fair Project Encyclopedia
Boatswain's pipe
A boatswain's pipe or boatswain's whistle (pronounced "Bosun") is a whistle that is made of a tube that directs air over a grape-sized metal sphere with a hole cut in the top. The player’s hand holds the sounding chamber and causes a change in the pitch by opening and closing the hand.
The historical use of the boatswain's pipe was as a signaling device on a ship. Because of its high pitch, it could be heard over the activities of the crew and bad weather.
Last updated: 08-19-2005 05:58:41
03-10-2013 05:06:04
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details