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Old 19th Jan 2022, 9:05 am   #17
Dave Moll
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Join Date: Feb 2005
Location: West Cumbria (CA13), UK
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Default Re: On-board ship communications

Originally Posted by Refugee View Post
I was told many years ago that they [voice pipes] had a whistle stuck in them so that you blew down the pipe to make it work like a ringer. The rats would never get in unless the whistle got pinched.
That was certainly the case with the "speaking tubes" in (posh) Victorian houses, which were the same technology.
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