speaking tube


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speaking tube

A tube, usually of metal, used to transmit the voice from one part of a building to another, before the days of electronics.
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The strategy she adopts is to speak through the male, as though into a speaking tube.
Shouting down Abraham: how sixteenth century Huguenot Women found their voice
The inside had been preserved to give a flavour of how it looked during the last war, complete with speaking tubes between floors which kept the girls entertained for way too long.
DOVER SOUL; You needn't fly abroad for a family break.. try a short hop to Kent
The standard now recognizes equipment such as free-standing activity panels or speaking tubes, musical or percussion toys, etc.
Stressing the safety of playground design

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