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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
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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
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Speaking clock
photocell with actuator, and audio tube amplifier. BT "Speaking Clock" voices
There have been five permanent voices for the speaking clock.
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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
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Volume of solid of revolution with Disk and Tube method for bounded region I have a region bounded by y axis and the curves of equation $y=\sqrt{x}$ and $y=(x-2)^2$ I need to evaluate the volume of the solid of revol...
The region we are rotating is crudely speaking triangular, one corner the origin, then the next corner $(1,1)$, and the final corner at $(0,4)$. The height of the cylinder (tube) is $(x-2)^2-\sqrt{x}$.
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Gimnyeonggul
The lava tube is about 705 m long, and is believed to be separated from Manjanggul Lava Tube by lava flows. By the entrance of the cave, a monument was established speaking highly of Mr. Lin Seo.
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Star Nut Replacement Size A total newb, I busted the star fangled nut on my new road bike, while trying to tighten the headset. Generally speaking, how does a person know what size star-nut to use? In my case, a qua...
This is not the sole determinant of star-nut size, as a variety of materials may be used for the steerer tube, each requiring a different wall thickness
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Bootie (bicycle)
Design
Strictly speaking, the Bootie was not really a folding bike. With the change to a conventional seat tube the only part of the Bootie 'Folding' Cycle that actually folded was the steerer tube (i.e. the handlebars)
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Wolfgang von Kempelen's speaking machine
After viewing Wheatstone's improved replica of the Speaking Machine at an exposition, a young Alexander Graham Bell set out to construct his own speaking Acoustic predictions using N-tube approximations of the vocal tract and applying them to the replica's characteristics showed what had already been established
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Storage tube
the tube. Generally speaking, storage tubes could be divided into two categories.
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IBM 727
It became IBM's standard tape drive for their early vacuum-tube era computer systems. Installing the ring enables writing, thus strictly speaking, it is a write enable ring, and removing it protects the tape from being written to.
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Intercom telephone
See also
Courtesy telephone
Speaking tube
References
Telecommunications equipment
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HMS Tormentor (1917)
Parts of the wreck have been recovered, including a brass name plate and speaking tube.
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Gosport (disambiguation)
Gosport tube, a speaking tube used in early aviation for communication between seats of open-air aircraft.
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