Bellows in the context of "Barrel organ"

⭐ In the context of a barrel organ, bellows are considered…

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⭐ Core Definition: Bellows

Bellows are a device constructed to furnish a strong blast of air. The simplest type consists of a flexible bag comprising a pair of rigid boards with handles joined by flexible leather sides enclosing an approximately airtight cavity which can be expanded and contracted by operating the handles, and fitted with a valve allowing air to fill the cavity when expanded, and with a tube through which the air is forced out in a stream when the cavity is compressed. It has many applications, in particular blowing on a fire to supply it with air.

The term "bellows" is used by extension for a flexible bag whose volume can be changed by compression or expansion, but not used to deliver air. For example, the light-tight (but not airtight) bag allowing the distance between the lens and film of a folding photographic camera to be varied is called a bellows.

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👉 Bellows in the context of Barrel organ

A barrel organ (also called roller organ or crank organ) is a French mechanical musical instrument consisting of bellows and one or more ranks of pipes housed in a case, usually of wood, and often highly decorated. The basic principle is the same as a traditional pipe organ, but rather than being played by an organist, the barrel organ is activated either by a person turning a crank, or by clockwork driven by weights or springs. The pieces of music are encoded onto wooden barrels (or cylinders), which are analogous to the keyboard of the traditional pipe organ. A person (or in some cases, a trained animal) who plays a barrel organ is known as an organ grinder.

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Bellows in the context of Accordion

Accordions (from 19th-century German Akkordeon, from Akkord—"musical chord, concord of sounds") are a family of box-shaped musical instruments of the bellows-driven free reed aerophone type (producing sound as air flows past a reed in a frame). The essential characteristic of the accordion is to combine in one instrument a melody section, also called the diskant, usually on the right-hand keyboard, with an accompaniment or Basso continuo functionality on the left-hand. The musician normally plays the melody on buttons or keys on the right-hand side (referred to as the keyboard or sometimes the manual), and the accompaniment on bass or pre-set chord buttons on the left-hand side. A person who plays the accordion is called an accordionist.

The accordion belongs to the free-reed aerophone family. Other instruments in this family include the concertina, harmonica, and bandoneon. The concertina and bandoneon do not have the melody–accompaniment duality. The harmoneon is also related and, while having the descant vs. melody dualism, tries to make it less pronounced. The harmonium and American reed organ are in the same family, but are typically larger than an accordion and sit on a surface or the floor.

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Bellows in the context of Regal (instrument)

The musical instrument known as the regal or regalle (from Middle French régale)is a small portable organ, furnished with beating reeds and having two bellows. The instrument enjoyed its greatest popularity during the Renaissance. The name "regal" was also sometimes given to the reed stops of a pipe organ, and more especially to the vox humana stop.

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Bellows in the context of Air mattress

An air mattress or airbed is an inflatable mattress or sleeping pad that can be pumped up by an electric pump, or manually by a hand or high volume bellows foot pump via attaching the hose into the air valve.

Due to its buoyancy, it is also often used as a water toy or flotation device, and in some countries, including the UK and South Africa, is called a lilo ("Li-lo" being a generic trademark — derived from the phrase "lie low") or a Readybed.

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Bellows in the context of Hydraulis

The water organ or hydraulic organ (Greek: ὕδραυλις = ὕδωρ + αυλός / αυλη) (early types are sometimes called hydraulos, hydraulus or hydraula) is a type of pipe organ blown by air, where the power source pushing the air is derived by water from a natural source (e.g. by a waterfall) or by a manual pump. Consequently, the water organ lacks a bellows, blower, or compressor.

The hydraulic organ is often confused with the hydraulis. The hydraulis is the name of a Greek instrument created by Ctesibius of Alexandria. The hydraulis has a reservoir of air which is inserted into a cistern of water. The air is pushed into the reservoir with hand pumps, and exits the reservoir as pressurized air to blow through the pipes. The reservoir is open on the bottom, allowing water to maintain the pressure on the air as the air supply fluctuates from either the pumps pushing more air in, or the pipes letting air out.

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Bellows in the context of Uilleann pipes

The uilleann pipes (/ˈɪlən/ IL-ən or /ˈɪljən/ IL-yən, Irish: [ˈɪl̠ʲən̪ˠ]), also known as Union pipes and sometimes called Irish pipes, are the characteristic national bagpipe of Ireland. Their current name is a partial translation of the Irish language terms píobaí uilleann (literally, "pipes of the elbow"), from their method of inflation. There is no historical record of the name or use of the term uilleann pipes before the 20th century. The name was an invention of Grattan Flood and it stuck. People mistook the term "union" to refer to the 1800 Act of Union; however, this is incorrect as Breandán Breathnach points out that a poem published in 1796 uses the term "union".

The bag of the uilleann pipes is inflated by means of a small set of bellows strapped around the waist and the right arm (in the case of a right-handed player; in the case of a left-handed player the location and orientation of all components are reversed). The bellows not only relieve the player from the effort needed to blow into a bag to maintain pressure, they also allow relatively dry air to power the reeds, reducing the adverse effects of moisture on tuning and longevity. Some pipers can converse or sing while playing. The bag which the bellows fill is clamped under the other elbow, which squeezes the bag to control the flow of air to the reeds (which make the notes).

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Bellows in the context of Straw (drinking)

A drinking straw is a utensil that uses suction to carry the contents of a beverage to one's mouth. A straw is used by placing one end in the mouth and the other in a beverage. Lowering the pressure in the mouth (i.e. applying suction) causes the surrounding atmospheric pressure to force the liquid through the straw and into the mouth. Drinking straws can be straight or have an angle-adjustable bellows segment.

Disposable straws are commonly made from plastics. However, environmental concerns related to plastic pollution and new regulation have led to rise in reusable and biodegradable straws. Following a rise in regulation and public concern, some companies have voluntarily banned or reduced the number of plastic straws used. Alternative straws are often made of reusable materials like silicone or metal or alternative disposable and biodegradable materials like paper, cardboard, pasta, or bamboo.

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Bellows in the context of Lampworking

Lampworking is a type of glasswork in which a torch or lamp is used to melt the glass. Once in a molten state, the glass is formed by blowing and shaping with tools and hand movements. It is also known as flameworking or torchworking, as the modern practice no longer uses oil-fueled lamps. Although lack of a precise definition for lampworking makes it difficult to determine when this technique was first developed, the earliest verifiable lampworked glass is probably a collection of beads thought to date to the fifth century BCE. Lampworking became widely practiced in Murano, Italy in the 14th century. As early as the 17th century, itinerant glassworkers demonstrated lampworking to the public. In the mid-19th century lampwork technique was extended to the production of paperweights, primarily in France, where it became a popular art form, still collected today. Lampworking differs from glassblowing in that glassblowing uses a furnace as the primary heat source, although torches are also used.

Early lampworking was done in the flame of an oil lamp, with the artist blowing air into the flame through a pipe or using foot-powered bellows. Most artists today use torches that burn either propane or natural gas, or in some countries butane, for the fuel gas, mixed with either air or pure oxygen as the oxidizer. Many hobbyists use MAPP gas in portable canisters for fuel and some use oxygen concentrators as a source of continuous oxygen.

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