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Speaking tube - Wikipedia
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.
en.wikipedia.org
en.wikipedia.org
SPEAKING TUBE Definition & Meaning - Merriam-Webster
The meaning of SPEAKING TUBE is a pipe through which conversation may be conducted (as between different parts of a building).
www.merriam-webster.com
www.merriam-webster.com
'Granny chic': Are SF Victorian speaking tubes making a comeback?
A speaking tube is exactly what it sounds like: a narrow pipe made of lead, galvanized metal or brass that extends from one spot in the house to ...
www.sfgate.com
www.sfgate.com
speaking-tube
speaking-tube (Also unhyphened.) [speaking vbl. n. 5 b.] 1. A tube or pipe for speaking, or communicating orders, from one room, building, etc., to another.1833 Loudon Encycl. Archit. §1457 Orders being given by the waiter above through a speaking-tube. 1844 T. Webster Encycl. Dom. Econ. §4797 These...
Oxford English Dictionary
prophetes.ai
Does anyone else have a “talking tube”? : r/centuryhomes - Reddit
It's literally a tube from the front door to the second floor with a mouthpiece on each end. It's almost eerie how well it works if you put your ear close ...
www.reddit.com
www.reddit.com
1894 High Tech: Speaking Tubes - Restoring Ross
Inside the mouthpiece is a kinda lid. This helps to keep voices in a room from being heard on the other end of a speaking tube. The small hole ...
restoringross.com
restoringross.com
Speaking tube
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. The principle of the speaking tube can be found on certain playground equipment, which employs tubing connecting sound horns or other speaking boxes to
wikipedia.org
en.wikipedia.org
The Speaking Tube - Dalnavert Museum
Dalnavert's speaking tube connects the kitchen to Lady MacDonald's bathroom. We imagine that Lady Macdonald would have used it to ask her servants for things ...
www.friendsofdalnavert.ca
www.friendsofdalnavert.ca
Voicepipes & Speaking Tubes - Douglas Self
Voicepipes have obvious advantages in naval warfare. They do not depend on electrical power, are immune to EMP, and will keep working after almost any amount ...
www.douglas-self.com
www.douglas-self.com
1892: Speaking Tubes And Old Homes - Lafayette Square Archives
Voice tubes for communication trace back to about 1850. A number of patents were issued for improvements through the 1890s. Naval vessels ...
lafayettesquarearchives.com
lafayettesquarearchives.com
How to Make Underground Speaking Tubes - Popular Mechanics
Step 1: Dig a route for the underground run that is large enough to accommodate your PVC. Straighter routes are better, as joints can degrade ...
www.popularmechanics.com
www.popularmechanics.com
Speaking Tube Intercoms (Bygone Home Features) - Facebook
A home feature from way back when based on two cones connected by an air pipe through which speech can be transmitted over an extended distance.
www.facebook.com
www.facebook.com
Speaking clock
photocell with actuator, and audio tube amplifier. BT "Speaking Clock" voices
There have been five permanent voices for the speaking clock.
wikipedia.org
en.wikipedia.org
tube
▪ I. tube, n. (tjuːb) [a. F. tube (1460 in Godef. Compl.), ad. L. tub-us.] I. Artificial. 1. a. A hollow body, usually cylindrical, and long in proportion to its diameter, of wood, metal, glass, or other material, used to convey or contain a liquid or fluid, or for other purposes; a pipe. A more rec...
Oxford English Dictionary
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Megaphone
Morland favored a straight, tube-shaped speaking device. Although electronic public address systems have existed since vacuum tube amplifiers were developed in the early 1920s, vacuum tube versions were too heavy
wikipedia.org
en.wikipedia.org