- A
speaking tube or
voicepipe is a
device based on two
cones connected by an air pipe
through which speech can be
transmitted over an
extended distance...
- back of the
throne via a
speaking tube, and into the king's ear.
Finally in the late 1800s, the
acoustic horn,
which was a
tube that had two ends, a cone...
- A
vacuum tube,
electron tube,
thermionic valve (British usage), or
tube (North America) is a
device that
controls electric current flow in a high vacuum...
- as a
slang term for a telephone. The term came from navy
slang for a
speaking tube. In the U.S., a
somewhat dated slang term
refers to the
telephone as...
-
British aircraft manufacturer based in Gosport, Hampshire.
Gosport tube, a
speaking tube used in
early aviation for
communication between seats of open-air...
-
partially enclosed), and
often had
little equipment—usually just a
speaking tube or
telephone to
allow communication with the
helmsman or
wheelman on...
- dumbwaiter's "
speaking tube" that
there is no food. Gus
leaves the room to get a
drink of
water in the bathroom, and the dumbwaiter's
speaking tube whistles...
- of wood, that "[made] the
whole house one
great speaking-
tube, with
walls like
sound boards. By
speaking into one of the many
apertures in the panels, it...
- use magic.
Weatherspoon is also a keen inventor,
having created the
speaking tube, and any
Royal Command,
given by the Lord Chamberlain, that does not...
- back of the
throne via a
speaking tube, and into the king's ear.
Finally in the late 1800s, the
acoustic horn,
which was a
tube that had two ends, a cone...
