- 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...
- telescope, and
every once in a
while he
stopped and put his ear to a
large speaking-
tube. "Presently he said to the lady, 'Put down a good mark for
Sarah Buttermilk...
- 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,
valve (British usage), or
tube (North America) is a
device that
controls electric current flow in a high
vacuum between...
- 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...
- 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...
- 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...
-
stethoscope user from a kit.
Medicine portal Doppler fetal monitor Speaking tube Wade,
Nicholas J.; Deutsch,
Diana (July 2008). "Binaural
Hearing – Before...
- 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...
- is to be directed.
History of the
telephone Sound-powered
telephone Speaking tube McVeigh,
Daniel P. An
Early History of the Telephone: 1664–1866: Robert...
